eBay is holding a contest to promote its new eBay Blogs and its "Reviews & Guides" feature. Users who create or post to an eBay blog or who write a new Review or Guide will be automatically entered in the eBay $100,000 Giveaway promotion. Judges will pick 100 writers based on their originality, thoroughness, visuals, consistency and frequency and will give each one at least $100 in eBay Gift Certificates. The first prize winner will receive $2,500.