- Twitter celebrates 5th anniversary of public release Twitter today, July 15th, celebrates the fifth anniversary of its public release. The service, which was originally known as Twttr, opened its doors to the public on July 15th, 2006.
- What was the first ever tweet? Twitter, the popular micro-blogging service, is celebrating its fifth birthday today. While much can be said about the platform's phenomenal organic evolution since 2006, many question what was the first ever tweet tweeted on Twitter?