blogs take a long time to write -- if expertise is a product that consumers use to judge new information, a blog may be too slow long-form would be interesting

blogs take a long time to write -- if expertise is a product that consumers use to judge new information, a blog may be too slow long-form would be interesting if it were a pull-based model (N followers of some expert want their opinion on some piece of information) public follower networks are also valuable -- the signal value of one expert following another is non-zero