Slick interfaces and bundling helped solidify Excel as the corporate planning tool

Microsoft Excel is used by over a billion people worldwide

The upstart computer software company Microsoft launched its columns-and-rows spreadsheet program in 1985, enabling users to sort information, create charts, and perform calculations with minimal friction. It would be coupled with Microsoft Word and PowerPoint in 1990 as part of the Microsoft Office for Windows.

VisiCalc was the first electronic spreadsheet, released with Apple II's personal computer in 1979

Before 1979, managers were essentially information processors working off paper ledgers. Scenario modeling was slow, manual, and expensive. Companies were understood as organizations that built things with financial analysis as secondary. VisiCalc made calculation so cheap that you could work iteratively, setting out forecasts and tweaking assumptions until you got the answer you wanted. Oks argues It created a new way of seeing the world.

Microsoft Office debuted on the Macintosh in 1989

Over 15 months before its debut on Windows, the suite included Microsoft Word, Excel, PowerPoint and Mail—the precursor to Outlook. Bill Gates saw the Mac as a testing ground to work out bugs and gather feedback before the Windows release.

Japanese artist Tatsuo Horiuchi creates masterpieces using Microsoft Excel

Upon retiring, he wanted to get into art, but found the materials to be expensive. Since 2000, he has created art pieces using the line tool and other features the software provides before printing and taping together various spreadsheets that make up a completed work.

From 1986 to 2024, Microsoft has acquired at least 277 companies

Some of these acquisitions helped the company expand into enterprise software and services, including Visio, which integrated diagramming software into Microsoft Office, and Hotmail, which provided an email platform to customers. Recent acquisitions of Mojang and Activision Blizzard underscore an increasing emphasis on the video game industry.

Google's early focus on simplicity and user experience drove its future successes

Google Search revolutionized information retrieval in 1998, but additional web-based products, including Gmail, Maps, Docs, and YouTube reinforced the company's core ad business while allowing it to aggregate the world's information. Forming Alphabet protected this business from riskier moonshot projects.

Microsoft's Flight Simulator is one of history's longest-running software products

The program originated from a master’s thesis project on generating three-dimensional graphics, which was later combined with flight equations. The first version ran on the Apple II in early 1980, but its creator licensed the program to Microsoft two years later,

Microsoft's initial successes came from promising products that did not yet exist

In discussions with teams responsible for MITS's Altair 8800 and IBM's PC, Bill Gates and Paul Allen claimed to have created ready-to-use software. Code for the former was not completed until Paul Allen's flight to MITS' headquarters, where the software was successfully tested for the first time.

Office Assistants, including Clippy, were digitally edited with Macintosh computers

The animated characters served as intelligent user interfaces for Microsoft Office and were sketched by hand before being scanned. Clippy was selected as the default assistant after social psychologists at Stanford University identified it as the most trustworthy, likable, and humorous character based on public testing.

View an illustrated history of Microsoft Solitaire, first released as part of the Windows 3.0 operating system in 1990 to help users get familiar with using a mouse.

AI excels at assisting with structured tasks involving logistics and planning

Tools like ChatGPT, Gemini, and Perplexity can help organize chaotic calendars, troubleshoot bedtime routines, and assist with salary planning and moving. However, specific quotes, like insurance, and local cost comparisons can be flawed since AI draws from nonlocalized datasets.

By 2005, Microsoft may have made as many as 12,000 millionaires

Stock options given to early employees also created four billionaires, including Bill Gates, who became the then-youngest self-made billionaire at the age of 31. As of 2025, Microsoft employs about 228,000 employees, including more than 50,000 at its headquarters in Redmond, Washington.

Unsatisfied with the designs provided by an Apple engineer, Steve Jobs designed the original Mac calculator in about 10 minutes.

Visualizing decades of stock market performance

Stock markets and the indexes that track their biggest companies tend to ebb and flow, with long growth periods punctuated by shorter recessions. Track the 60-year history of one of the most common stock market indexes, the S&P 500, with this data visualization. The chart highlights the long-term durability of markets despite appearance of short-term volatility.

The pandemic saw Zoom overtake Skype as the default video conferencing tool

When millions of people needed to become work-from-home experts overnight, ease of use for video conferencing tools became especially important. Zoom's success was partly because the company made it easier to join meetings than Skype did—with Zoom, users only needed a URL to join a meeting, rather than downloading a fully separate app as they did on Skype. (Some users may experience a paywall.)

Microsoft paid $50k for the foundation of the OS they licensed to IBM

Rather than write MS-DOS from scratch, Bill Gates purchased the full rights to QDOS—Quick and Dirty Operating System—from Seattle Computer Products only weeks before IBM's PC hit the market. The IBM deal allowed Microsoft to license its OS to other manufacturers, ensuring it was not dependent on IBM's long-term success.

Explore an online gallery highlighting the importance of graphical user interfaces

Before the Macintosh, computers were primarily used in offices and required users to type complex commands to perform tasks. Apple followed the device with the LaserWriter printer, bringing graphic production to at-home artists and designers.

Charting the most popular email providers since 1997

The email is the most stable feature of the Internet; a rare digital product that changed little over the decades. Nonetheless, the major email service providers have vastly shifted. Watch this time-based chart which shows the number of users of the top 10 email providers since 1997, and see how totally nonexistent Gmail skyrockets to dominance by today.

Explore a visual history of the Windows operating system

Named after the windows that separate different applications, the operating system’s first version came preinstalled with Calculator, Paint, and Reversi. There was no Windows 9 to avoid compatibility issues with legacy code searching for Windows 95 and 98 files via a “windows9” query.

Microsoft has integrated AI across its software products with Copilot

It utilizes an underlying model from OpenAI—makers of ChatGPT—to assist users in creating documents, writing code, locating files, and more across Windows, Microsoft 365, Bing search and WhatsApp on desktop and mobile devices. Copilot Voice and Vision offer accessibility features for users who prefer not to use mouse/keyboard navigation.

Mac settings have evolved from minimalism to chaotic clutter

The 1984 Mac control panel featured wordless icons, sliders, and desktop pattern editors, highlighting early experimentation in graphical user interface design. This software charm and personality gradually disappeared as Apple enforced visual and functional consistency over time.

Microsoft was the most popular stock in hedge fund portfolios as of Q1 2024

874 hedge funds held Microsoft stock at the time. This infographic shows more of the most popular stocks in hedge fund portfolios.

Upgrade cost and compatibility issues have kept Microsoft's legacy systems alive

As of 2025, Windows XP and Windows NT continue to power ATMs and transit systems, while Deutsche Bahn's trains use Windows 3.11 for display systems. Microsoft's continued support for these operating systems helps it maintain its dominance in the business sector.

View a library of custom programs that can be loaded onto graphing calculators, including productivity tools, reference materials, games, and interactive applications, such as prom proposals.

A timeline of Google's growth

As of 2025, Google will approach its third decade of existence. A period that's seen the company go from dominating the search market to the launch of one billion-user product after another, from Gmail to YouTube. This detailed timeline lays out what happened when, laying out Google's history in detail. It marks key milestones, like the introduction of Google Maps, and what year they happened.

Slide rules—ruler-sized mechanical calculators with a component that slides out to show relationships between numbers—were used by engineers at NASA during the Apollo missions.

The iPhone's impact in 10 charts

It's been almost 20 years since Steve Jobs first unveiled the iPhone, the device that would come to define Apple for years and change not just the smartphone industry but the world at large. 10 examples of the iPhone's impact include its all-screen touch interface and the way it led to the rise of app culture.

Five charts that changed the world

Data visualization helps us understand the world, providing a powerful way to communicate complicated information in a quick and efficient way. There are many different ways to create graphs, and these five examples—the pie chart, geographic dot...

Lessons learned from Steve Jobs

From predicting our screen-filled future in 1983 to slashing Apple's product line in 1997, Steve Jobs believed in focus, simplicity, and the fusion of technology and art. His philosophies still influence how products are built and marketed today.

Generate a powerpoint filled with 'consulting slop' for your business

Created by the consulting company NOBL, this AI generator mimics and mocks the vague and impersonal presentations sometimes shared by consulting firms.

Modern consulting traces its roots to 1886

Arthur D. Little Inc. was the first management consulting firm. Starting as a chemical analysis lab, the firm evolved to play pivotal roles in projects like developing the NASDAQ system and supporting Apollo 11.

See Walt Disney's corporate strategy document from 1957, complete with a plethora of Mickey Mouse illustrations.

Before the S&P 500 launched in 1957, Standard and Poor's had a daily index with just 90 companies

Unlike previous indexes from S&P, the S&P 500 could be computed in real time using computer technology that tracked stock tickers across stock exchanges. This innovation is partly what led to 500 companies being listed on the index, a huge increase from the 90 companies in S&P's flagship index when the company had to do all the analysis by hand.

Google began as a Stanford University dorm room project

Launched in 1998, Google revolutionized search engines with its clean design and PageRank algorithm. As of 2025, Google has about 90% of the search market share but faces new challenges from AI-powered competitors and regulatory scrutiny.

See a timeline of S&P Global's history—the company behind the S&P 500

From the 1941 merger of Standard Statistics and Poor's Publishing to the creation of the S&P 500 in 1957, the company that created the famous index has long been a leader in financial intelligence.

Jony Ive helped popularize Apple with iconic product form factors

Appointed SVP of industrial design in 1997 and chief design officer in 2015, Ive was responsible for the translucent plastic shells found on early iMacs and the iBook G3. He also oversaw the construction of Apple Park—the company's headquarters.

Google Search incorporated AI Overviews in 2024 to fight back competitors

Analysts believe that generative AI tools—not antitrust rulings—are Google's biggest threat because they draw users away from traditional search and potential ad revenue. AI partnerships, like the one between Apple and OpenAI, may further reduce Google's market share.

As of 2024, server products and cloud services make up 40% of Microsoft's revenue

These products generated $97.7B in the 2023-24 fiscal year, followed by office products and cloud services, which accounted for $54.9B during the same period. The fastest-growing revenue source was gaming at 39%, driven by sales of Xbox and first-party software.

Explore an emulated demo of Windows 95 Microsoft Plus to try your hand at Solitaire, 3D Pinball Space Cadet, and other classic Windows applications.

The Macintosh popularized GUI and mouse navigation for personal computing

A graphical user interface that utilized windows, icons, and pull-down menus, rather than text-based commands, contributed to the device's success after its January 1984 launch. Its original sound system—capable of playing four voices—was developed after non-technical staff suggested the machine should play music.

In 2018, Apple became the world's first publicly traded trillion-dollar company

The valuation was made possible by Steve Jobs' return to the company in 1997, who implemented a simplification strategy by cutting the majority of Apple's existing product line. His promotion of Jony Ive to SVP of industrial design would help popularize Apple through colorful products and marketing.

Some viruses evade detection by altering their own code or hiding in Microsoft Office

Computer viruses are often classified by how they spread or which files they infect, with the oldest ones—boot sector viruses—targeting systems that are active when a computer is turned on. Macros—custom codes in office productivity programs authored to automate tasks—spawned their own class of viruses.

Computer scientists first started trying to optimize dating using computers in the 1950s.

Apple, the tech giant renowned for products like the iPhone, iPad, and Mac, started out in a garage in 1976.

Bill Gates and Paul Allen were childhood friends before founding Microsoft

The two bonded over a teletype terminal at their school, which required a $40 hourly fee for computing time. They were banned from using the device after exploiting a bug that allowed them to bypass the fee, only to be later offered free computing time for finding more bugs.

In 1999, Microsoft and Intel’s addition signaled the information tech era for the Dow

Microsoft and Intel became the first information technology firms added to the DJIA. Their inclusion marked a turning point—the digital revolution and tech began to drive the American economy.

Visualizing the AI investment wave

This data visualization from Reuters shows how massive AI investment has become by December 2025—revealing that, in today’s dollars, spending has surpassed the combined total of the Apollo program and the Manhattan Project.

Microsoft developed the Xbox to compete with Sony's all-in-one entertainment hardware

The video game console originated as a side project between four DirectX developers, from whom the console's original name, "DirectX Box," derives. These developers sought to counter Sony's PlayStation product line, which they saw as capable of capturing all entertainment markets by playing games, CDs, and DVDs.

Bill Hewlett and Dave Packard are known for creating the 'founding' Silicon Valley company Hewlett-Packard

During the company's early years, Hewlett and Packard established a management approach called "the HP Way." The approach, which was considered radical at the time, helped shape the way Silicon Valley is run today.

Why some say the S&P 500 has effectively become an AI fund

The S&P 500 is a market-cap-weighted index, which means companies with larger market capitalizations have a larger impact on the index's overall performance. Many of the top companies in the index are currently tech companies—including Nvidia, Microsoft, Alphabet, and Apple—that all have large investments in artificial intelligence. As a result, some analysts are concerned that the index is overly exposed to risky AI investments.