Birthday Messages Are a Hit on Facebook

From what I hear, the greeting card business is a great one: hire freelance artists in small towns across America on contract, get as much distribution as you can, and sell them for $3-$6 a pop. The folks at Blue Mountain Arts figured out that this was an interesting space early on in history of the web, creating a free online greeting card business and selling it to Excite in 1999 for a cool $1 billion (granted, those ended up being play dollars, but it was a big deal at the time).