Fastr is a game, and beware that it's super addictive. The game loads images from Flickr that all share common tags. The object of the game is to guess the tags that the images all have in common. Of course, as the images load up, the correct tags become more and more apparent, the guessing part becomes easier, and the number of points awarded decreases. Enter a player name to keep track of your ranking among all of the active players.
The answer is Horse:
Fastr is similar to Guess-The-Google, a game that loads Google images with common keywords into the browser. Both games are sort of like Jeopardy — figure out the query by viewing the results.
[link via digg.com]