Twitter celebrated its seventh birthday on Thursday.
Does that seem old or young to you?
Either way, to mark the occasion, here are seventh impressive statistics about the state of Twitter today:
288 million is the number of monthly active users worldwide, making it the fast growing of all the social networks. (source)
163 billion is the total number of tweets since Twitter’s launch, as of December 2012. (source)
25 million followers make YouTube the most followed brand on Twitter.
35 million followers make Justin Bieber the most followed person on Twitter.
6 is the median number of brands the users follow. (source)
32 million people in the U.S. tweeted about TV in 2012. (source)
400 million is the number of tweets per day. (source)
Twitter released this video on Thursday for its birthday: