And, as with most birthdays, people came out to wish the bird many happy returns, with their greetings taking many forms--from digs at the competition...
...to pointing out Twitter's best qualities.
A very happy 7th birthday to @twitter Bringing sarcasm to the masses, 140 characters at a time!— Matt Lavergne (@mattlavergne) March 21, 2013
People focused on the stats,
and the business potential it brings to brands.
But most importantly, the Bieber.
Happy 7th birthday Twitter! Thanks for helping build our personal brands and engage in authentic conversations with brands we love!— Adam Schweigert (@aschweig) March 21, 2013
Happy 7th birthday twitter and congratulation to the most followed celeb on twitter @justinbieber beliebers be proud!!— belieberzendayabella (@mzbisi_olabisi) March 21, 2013