You've been here for five years now.
Today is your four year anniversary on the site!
You've been here for three years, thanks for sticking around!
You've received 5 likes -- guess you're doing something right.
Today is your two year anniversary here.
This is your one year anniversary. Thanks for hanging around.
Put a filter on it.
You associated your account with Twitter. Um, @awesome!
You've made your first post! Welcome!