NPR’s Planet Money podcast covers Facebook from a couple interesting sides. First an interesting story of a New Orleans pizza place wanting to do some Facebook advertising and then the second half of the show features a despicable company that sells likes to companies who have no clue why one is valuable.
∞Advertise by Putting your brand in Tumblr’s logo
This is super clever. Tumblr has added a new way to advertise with them that they’re calling the Sponsored Tumblr Dot. Essentially they’re letting brands pay to replace the period in Tumblr’s logo with their own brand. The first example is from Starbucks:


I love that the cup is an animated gif. Very nice touch.