Apple launches a Youtube video that tells the story of amazing app builders who built apps on the iOS platform that help people all over the world live a better life.

Meanwhile Foursquare launches an animated timeline of your past check-ins and Twitter creates a collage of your most popular tweets.

Oh and CNBC is reporting that Yahoo is trying to buy Gowalla which has been purchased and shut down by Facebook in December of 2011.

“Making a dent in the universe”.