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Which came first, the iPhone or Twitter?

Which came first, the iPhone or Twitter?
Twitter
2006 — one year before the iPhone

Twitter came first, by one year. Jack Dorsey posted the first tweet.

Side by side

the iPhone Twitter
Year 2007 2006
Date 2007-06-29 2006-03-21
Category technology technology
What happened The first iPhone went on sale after a January announcement. Jack Dorsey posted the first tweet.

the iPhone

Announced on 9 January 2007 and on sale from 29 June, the first iPhone had no app store, no copy and paste, no 3G and no video recording. The App Store arrived over a year later in July 2008. Android Inc. had been founded in 2003, four years before the iPhone, but the first Android phone shipped fifteen months after it.

Twitter

The first tweet — "just setting up my twttr" — went out on 21 March 2006, and the service opened publicly that July. The 140-character limit came from SMS: a text message allows 160 characters and 20 were reserved for the username. When the limit doubled to 280 in 2017 the SMS constraint had been irrelevant for years.

Common questions

Which came first, the iPhone or Twitter?
Twitter, by one year — 2006 against 2007.
When did the iPhone start?
2007. The first iPhone went on sale after a January announcement.
When did Twitter start?
2006. Jack Dorsey posted the first tweet.

Related pages

Sources

  1. Wikidata — Wikimedia Foundation (CC0 1.0)

How these figures are compiled and checked