Bullish opinion about Retrevo:

"Very flexible, able to set preferences to detailed specs such as weight."

Bullish opinion about Ning:

"Diverse online communities I belong to are set up on Ning platform. Diversity is good."

Bullish opinion about Pandora:

"Attractive and very consumer friendly. Handles diversity of musical tastes."

Bearish opinion about Cruel World:

"Cruelworld.com seems to have expired. Must not be doing well if can't pay registrar fees."

Bearish opinion about Doostang:

"Visibility still low among a diverse audience."