"The Jeopardy! Google Daily Challenge Sweepstakes features an extra clue from one of the categories in that day's Jeopardy! TV broadcast. Watch Jeopardy! and then visit Jeopardy.com each weekday from June 4th to July 13th to play a new clue, and you'll have a chance to win one of the daily $100 giveaways. By entering every weekday, you'll increase your chances of winning $5,000, $10,000, or the $25,000 Grand Prize!"
Link