[akrymski]

Sites like this seem to indicate there are tonnes of fake accounts on Pinterest: www.buyrealpinterestfollowers.com

My guess is that the majority of accounts are fake, and most posts are uploaded by spammers. However, this may be not much of a problem - like the HN / Digg / Reddit community the core Pinterest community is enough to rise the "good" stuff to the top I guess. If "social filtering" does work better than Google's algorithmic filtering and can't be gamed - Pinterest will succeed.

In some ways Amazon has had similar functionality for a while, called the "wish-list". They could easily have build something similar based on their existing data.

[DanBC]

I've not seen fake profiles or fake posts on my Pinterest.

Maybe the fakes are good enough to look real?