The first-ever tweet on X was sent on March 21, 2006, at 9:50 pm

X (Twitter) started as a way to share short updates via text

What began as a way to share 140-character updates quickly grew into a vital platform for activism, politics, and pop culture. Hashtags, trending topics, and retweets—now common across the internet—originated on the platform.

X is a social media platform focused on real-time communication and content sharing

Users post and interact through short messages known as tweets. As of February 2025, X receives over 4.83 billion monthly visits, with users spending an average of 34 minutes daily on the platform.

The evolution of X, from startup to Musk-owned giant, reflects rapid tech shifts

Twitter began in 2006 as a side project and grew into a major global platform, widely used for news, activism, and political discourse. Despite mainstream success, it faced ongoing management turmoil, business struggles, and rising concerns over misinformation and user safety.

View the list of most followed users on X

X, formerly Twitter, may now face more competition from rival social networks than ever, but it also had over 650 million active users as of early 2025. Elon Musk, Barack Obama, and Cristiano Ronaldo led the list of most-followed accounts then.

See a visual representation Elon Musk's many tweets over a decade

Musk was known for tweeting often long before he purchased Twitter, later renaming the social network "X." One week in August 2024, Elon Musk posted 650 times. This data visualization shows an analysis of roughly 15,000 of his tweets from 2011 to 2021.

The rebrand to X was to make Twitter an all-in-one social media app

Elon Musk renamed the platform as part of his plan to create an app that goes beyond posts and tweets. The rebrand included a new name, logo, and vision for a platform that offers messaging, video, banking, shopping, and more.

X's bird logo cost just $15 and wasn't added until four years after launch

When Twitter launched in 2006, it featured green, slimy lettering and lacked the now-famous bird icon. The bird was adopted in 2010 and eventually became the platform's official logo—unofficially named Larry after NBA legend Larry Bird.

Threads offers sleek design but fails to deliver X's unique user experience

Despite its smooth setup, Threads lacks the algorithmic depth and cultural edge that made X (formerly Twitter) feel essential to longtime users. The overlap with Instagram contacts creates a less authentic space, limiting the raw, real-time energy people loved on X.

The first social media platforms date back to the late 1990s, and their algorithms were typically chronological, with entities like MySpace and Facebook feeding users content from the most recent posts to the oldest.

View a history of hashtags through 2013

First used on Twitter in August 2007, the social media shorthand gained popularity in October of that year during the San Diego wildfires as a means of coordinating emergency response and disaster relief. Instagram, Google+, Flickr, Facebook, and other social media companies would later integrate hashtags into their platforms.

X's brand health has sharply declined since Elon Musk's takeover

Since Musk acquired the platform, impression, quality, and satisfaction scores have all turned negative—reflecting widespread disapproval among former and current users. As of fall 2024, despite the reputational damage, X remains the sixth-most-visited website globally.

X's quirky culture clashed hard with Elon Musk's extreme leadership style

Investigative journalists have written that social platform X's open, sometimes chaotic workplace stopped when control shifted irreversibly from Jack Dorsey to Elon Musk. They claim the stark contrast in personalities left little protection for existing employees, culture, or users.

The history of Reddit, the front page of the internet

The hyperactive online forum and social media platform has transformed since 2006 from a simple link-sharing site to a behemoth in digital media. Topping off its ascendancy, Reddit went public on the New York Stock Exchange in 2024, solidifying its future amid a shifting technological climate. Dive into Reddit's nearly two decades of growth with this detailed timeline.

The world's first text message was sent on Dec. 3, 1992, when 22-year-old engineer Neil Papworth sent 'Merry Christmas' from a computer terminal.

At 12 years old, Mark Zuckerberg built a messaging platform for his family called 'ZuckNet.'

Elon Musk reshaped Twitter into X with bold moves and polarizing decisions

What began in early 2022 as Musk quietly buying Twitter shares soon escalated into a $44 billion hostile bid to take the company private. When Musk officially took over Twitter, he walked into headquarters carrying a literal kitchen sink, captioning the moment, "Let that sink in."

See Don Valentine's original 1977 memo for Sequoia's investment into Apple Computer

In honor of Apple's 50-year anniversary, Sequoia Capital recently posted a tweet on X (the social media platform formerly known as Twitter) with a photo of the original 1977 memo for Sequoia's investment in Apple.

Treating X like a product instead of a public space obscures deeper issues

Public outrage over Elon Musk's Twitter acquisition misses the point that the social platform has long failed to address hate speech, not just under Musk's ownership. Over 150,000 mentions of "leaving Twitter" were recorded over the weekend following Musk's takeover.

TikTok is one of the fastest-growing social media platforms of all time

Centered around user-generated short videos, the platform was created by the Chinese technology company ByteDance Ltd. With over 1.8 billion users, the app has become a global force.

Elon Musk claims cutting costs fast was the only way to stop X from dying

Laying off 80% of X's workforce, says Musk, was required to avoid a financial collapse within months of him purchasing the platform. In 2023, he claimed X would be cash-flow positive within the year as advertisers returned to the platform.

Donald Trump redefined presidential communication in the social media age

Trump used platforms like Twitter (now X) to bypass traditional media, announce policy, and confront opponents directly. His online presence reshaped political messaging, blurred the line between official and personal communication, and transformed how presidents engage the public.

Read Paul Graham’s initial post announcing YC’s first batch

In March 2005, Y Combinator cofounder Paul Graham announced the program that would become Y Combinator on his website.

Most memes now begin on TikTok

The website Know Your Meme looked at the data for 700 to 1,400 memes uploaded to the platform each year from 2010 to 2022. In 2010, a majority of memes began on YouTube (34%) or 4chan (28%), but by 2022 most were starting on TikTok.

For Reddit's founders, the company's early days included choosing a dinner with Y Combinator's Paul Graham over a spring break trip, a $10M Condé Nast acquisition, and other pivotal moments.

Social media algorithms are shaping real-life language through memes

The evolution of the internet in the early 2000s supercharged the creation and spread of memetic content. Now, highly tuned algorithms on platforms like TikTok and YouTube influence the language, phrasing, and content of creators, which shapes how we use language in the real world.

Read a timeline of all of Elon Musk's business ventures, from the software company Zip2 in the 1990s to Musk's Twitter acquisition.

Key moments in fintech history include the transatlantic cable’s invention and E-Trade’s founding

Founded in 1982, E-Trade was the first-ever online brokerage, pioneering a method of investing that is common today. Its story is part of a timeline that the New York Times put together of key moments in early fintech history.

Watch a timeline of Tencent—one of China's earliest tech giants—despite the company's low profile.

Visualize where the first batch of founders from the famous startup accelerator Y Combinator are now.

TikTok explained: how the app became a global phenomenon

Since 2018, the short-form, video-sharing app TikTok has gone from launching in the US to becoming a habit-forming cultural force that’s signed up more than half of the country's population as users.

WeChat has become China's primary news platform, due to expansive user base and legacy media's adoption of the platform.

A timeline and visuals on TikTok's rapid growth

The app that would become TikTok is known as Douyin in China, and this article recounts its history, acquisition of rival Musical.ly, and rebranding ahead of its lightning growth. One visualization shows how quickly TikTok reached 1B users.

Facebook launched in a Harvard University dorm room in 2004

The controversial "FaceMash," where students rated each other's attractiveness, was the precursor to Mark Zuckerberg's social network. The platform rebranded as Meta after several acquisitions and a push into virtual reality, distancing itself from controversies.

The origin of the World Wide Web, plus a look at its first website and web browser

Invented by Tim Berners-Lee in 1989 while working at CERN—home of the world's largest particle physics laboratory—the Web was developed to facilitate the sharing of information among scientists at institutions worldwide. By the end of 1990, the first Web server was operational as a proof-of-concept on a NeXT workstation.

In 2022, there were 4.2 billion social media users across the globe

Among them were 200 million creators. Linktree, a company that helps create links in people’s social media bios (and much more), gathered the most important numbers from 2022 to get a more accurate picture of what the creator economy looks like, numerically speaking.

The Nasdaq was founded in 1971, marking the debut of electronic trading

The Nasdaq stock exchange arguably invented electronic trading, making it a key part of fintech history. It's often used as a benchmark for how the tech industry is performing.

How the internet became the World Wide Web: a visualization

The internet was officially born in 1983 and had more than 150 million global users by 1997, creating an international web of seemingly separate networks. This data visualization shows the growth of the internet from 1997 to 2021. Data in this...

Aimed at increasing user engagement, social media algorithms will intentionally show content in feeds that is misaligned with users' beliefs because such content is more likely to be commented on.

Before 'The Facebook', Mark Zuckerberg made 'Facemash.com'

During Mark Zuckerberg's sophomore year at Harvard, he built a website that allowed users to rank and rate people's pictures from the school's online "facebooks" called Facemash.com, which quickly went viral. He was placed on academic probation for violating the school's rules around data, privacy, and computer usage. Zuckerberg says the website was a prank and he never intended for so many people to see it. FaceMash is credited with being the predecessor to Facebook.

Listen to the history of the first banner ad on the internet, which went live on Oct. 27, 1994, on HotWired.com and pioneered the modern concept of digital advertising.

YouTube's first-ever video was nothing special

YouTube has grown into a cultural force in its two-plus decades of existence. Its beginnings, though, were modest, especially its first video: a 19-second clip about a visit to the San Diego Zoo. This brief resource explains the origins and longtail impact of "Me at the zoo," a simple video uploaded by Jawed Karim on April 23, 2005.

The 'Miracle on the Hudson' showed heroism in the air and changed social media forever

On Jan. 15, 2009, US Airways Flight 1549 lost both engines after hitting birds and was safely landed in the Hudson River. The event was a turning point for Twitter, as a photo and a tweet quickly spread—marking Twitter's rise as a real-time news source.

The early success of Facebook made Mark Zuckerberg a college campus celebrity

Within 24 hours of launching in 2004, more than 1,200 Harvard students signed up to the platform, which quickly expanded to other Ivy League and Boston-area schools within months. By year's end, Zuckerberg left Harvard to run the company in California.

Memes emerged in the 1980s and 1990s

Today's Internet users might think of memes as references spread online through images, videos, and audio clips. But the merger between memes and the internet didn't happen until the 1980s and 1990s—years after the term meme was first coined to describe a different phenomenon.

Facebook launched its 'like' button and Twitter its 'retweet' button in 2009, innovations psychologist Jonathan Haidt argues rewired social media to reward outrage over accuracy.

A Grateful Dead online bulletin board system inspired the early internet and counted some of tech's biggest names, like Apple's Steve Wozniak, as users.

Meta Platforms Inc., which owns both Facebook and Instagram, is the largest social media company in the world.

One Facebook investor turned $500K into $1B

Peter Thiel was Facebook's first big investor. In 2004, he invested $500K into the social network, long before the company owned Instagram or renamed itself "Meta." In 2012, when he sold off most of his stake, he turned that initial $500K investment into more than $1B in cash.

A creator economy timeline

Long before anyone memorized a TikTok dance, the creator economy began with regular people blogging about their personal lives. Eventually, it snowballed into the creator economy we know today. The Washington Post created an interactive timeline to help visualize how the creator economy got from point A to point B.

The first Winter X Games launched in 1997 at Big Bear Lake

The inaugural Winter X Games in 1997 introduced snowboarding, skiing, and snowmobile events—helping boost winter action sports’ popularity and paving the way for snowboarding’s inclusion in the 1998 Winter Olympics.