zuckerbirdie
Noun. The name for learning some nugget of information about a person or event specifically from Facebook. It's a portmanteau derived from the name of Facebook's founder, Mark Zuckerberg, and the expression "a little birdie told me."
A little Zuckerbirdie told me that it's your birthday!
A little Zuckerbirdie told me that you got engaged!
A little Zuckerbirdie told me that you got engaged!