YouTube is one of the most popular sites on the net. You can share videos from your computer or even your smart phone. It is no surprise that Google bought YouTube for 1.65 billion dollars. YouTube is the best video site mainly because of its popularity, although it is a pretty good site in its own right.
Digg is a user driven social content website. People submit stories (or interesting links) that show up on the homepage if they receive a lot of Diggs.
Gojee features a simple and unique way of searching for recipes with high resolution pictures from top food blogs. Recently they also added several new sections including Heels, Dresses, Jewelry, and Bags.