
Donald Trump's use of social media attracted attention worldwide since he joined Twitter in May 2009. Over nearly twelve years, Trump tweeted around 57,000 times, including about 8,000 times during the 2016 election campaign and over 25,000 times during his presidency. White House said that the tweets should be considered official statements. When Twitter permanently banned Trump from the platform in January 2021 during the final days of his term, his handle @realDonaldTrump had over 88.9 million followers.

Twitter usage by public figures includes the posting and content-sharing by celebrity and politician users on Twitter.

BorderIrish or @BorderIrish was the pseudonym of an anonymous satirical author, resident on the island of Ireland, who from 2018 to 2020 wrote in the first person about being the 97-year-old 499 km (310 mi) Irish border between the Republic of Ireland and Northern Ireland, both on Twitter as @BorderIrish and in print with I Am the Border, So I Am (2019); and in particular on the implications of Brexit on the Irish land border.

@dasharez0ne is a social media account on Twitter and Facebook, known for posting image macros pairing skeleton art and absurdist or ironic captions. Da share z0ne's posts are an elaborate parody of online hyper-masculinity; specifically, da share z0ne's posts mimic "tough guy" memes with characteristics like macho posturing, poor graphic design, and juvenile fondness for generically "cool" imagery like skeletons, leather jackets, grim reapers, tombstones, flames, and guns.

@dril is a pseudonymous Twitter user best known for his idiosyncratic style of absurdist humor and non sequiturs. The account, its author, and the character associated with the tweets are all commonly referred to as dril or wint, both rendered lowercase but often capitalized by others. Since his first tweet in 2008, dril has become a popular and influential Twitter user with more than 1.6 million followers.

Alexandra Attkisson Petri is an American humorist and newspaper columnist. In 2010, she became the youngest person to have a column in The Washington Post. Petri runs the ComPost blog on the paper's website, on which she formerly worked with Dana Milbank. In 2017, a piece of satire she wrote about president Donald Trump was miscategorized as news and included in one of the White House's daily press briefings. She was recognized in the Forbes 30 Under 30 in 2018.

Horse_ebooks was a widely followed Twitter account and Internet phenomenon. The account was apparently intended to promote e-books but became known for its amusing non sequiturs in what seemed to be an effort to evade spam detection.

PFT Commenter is a fictional character portrayed by Eric Sollenberger. Sollenberger, in the persona of PFT Commenter, is a sportswriter who covers the National Football League and US politics for online publication Barstool Sports. He has previously been published on other sports sites including Kissing Suzy Kolber, SBNation, Football Savages, as well as his own site, StrongTakes.com. PFT Commenter, whose name references Profootballtalk.com. PFT Commenter is currently the co-host of the Barstool Sports podcast, Pardon My Take.

Sockington is a domestic cat who lives in Waltham, Massachusetts, United States. He has gained large-scale fame via the social networking site Twitter; his co-owner, Jason Scott, an archivist and Internet historian, has been regularly posting from Sockington's Twitter account since late 2007. As of July 2018, Sockington's account has over 1.2 million followers, many of which are pet accounts themselves.

Donald Trump's use of social media attracted attention worldwide since he joined Twitter in May 2009. Over nearly twelve years, Trump tweeted around 57,000 times, including about 8,000 times during the 2016 election campaign and over 25,000 times during his presidency. White House said that the tweets should be considered official statements. When Twitter permanently banned Trump from the platform in January 2021 during the final days of his term, his handle @realDonaldTrump had over 88.9 million followers.

Tay was an artificial intelligence chatter bot that was originally released by Microsoft Corporation via Twitter on March 23, 2016; it caused subsequent controversy when the bot began to post inflammatory and offensive tweets through its Twitter account, causing Microsoft to shut down the service only 16 hours after its launch. According to Microsoft, this was caused by trolls who "attacked" the service as the bot made replies based on its interactions with people on Twitter. It was replaced with Zo.

The Volfefe Index was a stock market index of volatility in market sentiment for US Treasury bonds caused by tweets by former President Donald Trump.