Business revenue models etc AL for a marketplace
1. Charge for the ability to filter quickly on some critical criteria, say Twitter follower score AND knot score AND keywords
2. Show some aspects of the profile, say 140 characters. Rest you can hide. Show number of projects but not which ones.
3. Should the members be easily find able elsewhere? If yes, what is the benefits that can happen only here? On this marketplace?
Examples. Blog dash and linkedin
4. Possibly delivery of writer profiles to their target market.