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

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

The short, declarative message launched what would eventually become one of the world's most influential social media platforms. As of 2020, about 10% of X users are responsible for 92% of all posts.

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.

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 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.

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.

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.

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.

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.

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.

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.

Music today is often intended to circulate on social media

Artists are increasingly using TikTok and other short form video platforms as a space to promote their music. One scholar notes this emphasis, and connect it to Taylor Swift's early use of social media to promote her own work and brand.

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.

TikTok is transforming the English language

Linguists like Adam Aleksic have argued that the way internet slang—especially the kind that thrives on TikTok—enters the real world isn’t so different from how English evolved in its earliest days.

WeChat has become China's primary news platform

With an estimated 1.4 billion users worldwide, Tencent's messaging app WeChat has become the most effective distribution channel for news within China. As the company has grown, legacy media in the country have moved onto the platform, representing six of the top 10 WeChat accounts.

Memes grew alongside the internet

Early memes featured static images with superimposed text, but grew animated with the advent of video-sharing sites like YouTube and GIF-friendly imageboards like 4chan.

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

Mark's family used "ZuckNet" to communicate with each other in different rooms and Mark's dad's dental office, which was connected to their family home. ZuckNet ultimately didn't go anywhere, as AOL's instant messaging platform soon replaced it.

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 iPhone reshaped culture, media, and communication through innovation

Cultural moments, such as Ellen's viral Oscars selfie and Taylor Swift's iPhone Notes statement, have demonstrated how deeply integrated the device has become into society. The film "Tangerine" and Kendrick Lamar's "Pride" were created with the iPhone, underscoring its use in media creation.

Conspiracy theories today are often born from online radicalization

New York Times tech columnist Kevin Roose examines how individuals become radicalized while using platforms like YouTube. Hate crimes that took place before the COVID-19 pandemic inspired the podcast, which looks at online commentators, algorithms, and isolation, and possible explanations for how increased online activity can sometimes lead to violent crime.

Tinder revolutionized dating when it introduced swipe-based interactions

Many dating apps today allow users to "swipe right" to match with someone and "swipe left" to opt out of the match, but Tinder did it first, introducing swipe-based interactions in 2013. The idea for swipes came from the founder's desire to gamify dating—Tinder's early interface was based on a deck of cards that users could sort.

Youtube, explained

YouTube began as a quirky site where users uploaded funny, random videos—a do-it-yourself television service. Today, it’s a global media powerhouse and home to everything from movie trailers to video podcasts, livestreams, and much more. Want to learn more about the streaming giant? Check out our 5-minute explainer here.

See the Russian Revolution reimagined as if it unfolded on social media

This creative project retells the lead-up to the 1917 October Revolution as a Facebook-style newsfeed, blending archival photos with excerpts from letters and diaries by figures like Trotsky, Gertrude Stein, and Stravinsky to recreate events in a modern format.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

'Foodie' culture arose in the early 2000s

Food writer Jaya Saxena attributes the mainstreaming of the term to early-aughts TV shows, including “Top Chef” and “No Reservations,” as well as the dawn of social apps like Yelp, which turned everyday diners into critics.

Y Combinator takes its name from a computer science concept

Y Combinator, the startup accelerator, gets its name from the “Y combinator” computer science concept. Specifically, something called a “Y combinator” in computer science is a function that runs programs, just like the Y Combinator startup accelerator runs a program that helps grow startups.

Graffiti became an integral part of hip-hop culture

The visual art form began taking off in New York alongside the music of hip-hop. Both were postmodern forms of art that repurposed preexisting materials. For graffiti, that was by using the city as canvas. For rap, that was through sampling. This retrospective not only shows how the two forms intersected, but also how the public perception of both changed over time.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

See the most iconic photos from four decades of LIFE magazine

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Astronauts have repaired genetic damage in space using CRISPR—a molecular tool that can make precise changes to DNA and is used in single-celled organisms to attack invasive viruses.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

Some researchers have labeled nomophobia, the fear of being without your phone, as 'the phobia of the 21st century.'

Ebola is a filovirus, meaning it resembles a thread under a microscope, though it sometimes twists and can resemble a bowl of spaghetti.

Poison ivy will likely become both larger and more resilient due to climate change.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.