Have you heard about Scour yet? If not you will. It is quickly emerging as the most serious competitor to the Google search engine, with an approach based on votes and comments from users focusing on relevance. It delivers search results from Google, Yahoo and MSN, and the best feature is that each time you search, vote or comment, you receive points which can be exchaged for VISA gift cards. Sour gives you one point for each search, two points for each vote and three points for each comment. With around 6,500 points, you will receive a $25 VISA gift card. Not bad for doing something you’re doing now anyway for free.