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Twitter By The Numbers – One Billion Tweets Per Week, 460,000 New Accounts Per Day, 400 Employees

A nice summary over on the official Twitter blog that details how Twitter has grown since inception – and even in the last month.

Highlights include:

  • It took Twitter a total of 3 years, 2 months and 1 day to reach one billion tweets. It now sees that number each and every week.
  • When Michael Jackson died, Twitter set a record of 456 TPS, or tweets per second (I remember it well, as I was one of the first to break the news). Shortly after midnight on New Year’s Day in Japan, Twitter raised this mark to 6,939 TPS.
  • Twitter is now seeing an average of 460,000 new users signing up each day – or just under 14 million on a typical month. The record was set on Saturday, March 12, when 572,000 new profiles were added. At this pace, Twitter will double in size in just over a year.
  • As I’ve documented before, Twitter now has 400 employees. Three years ago, it had 8.

Good, clean, interesting statistics. But as AllThingsD observes, once again Twitter has denied us the information that we desire the most – the total number of users. Or specifically, the total number of active users. Facebook is always very forthcoming with this information, so I guess we have to assume that either (a) Twitter’s numbers are never as good as we might expect, (b) they’re really into this whole mystery thing or (c) the user statisticians are trapped under something heavy.

Whatever the reason, it’s getting a little bit old. Part of me is hoping for a buyout just so we can get some actual data.

(Source: Twitter blog.)

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