So you like coffee? Watch this video. Don't read the stuff below, just watch it.
In this short, fun documentary by C.G.P. Grey, you'll learn some fun facts about coffee. There's also some interesting speculation (backed up by information from author Steven Johnson) that coffee sparked The Enlightenment. Wonder why caffeine is in coffee beans to begin with? Watch the video. (Tip: it involves death.)
Read some more details at Grey's blog. Just ignore the typos.