Web 3.0 Rating: Context: A+; Content: B; Community: A+; Commerce: A+; Personalization: A+; Vertical Search: B; Overall Rating: A
That's why rating videos with StumbleUpon is more useful. Rating the video provides feedback to the stumbling engine (I think I just made that term up -- it's sounds very Lewis Carroll), which then offers you videos based on your tastes. You can also see