Inboxq find questions being asked in social media (Twitter) by recognising questions around the keywords you provide. You can also refer a question to your trusted contacts, for them to answer, and create new, targeted connections as a result
Clean up your Twitter account, by finding those who rarely tweet, who have no profile picture, who don't engage or respond, who over-promote themselves - allows for better relationships and likelihood of engaging new business/relationships
Commentluv rewards your readers by automatically placing a link to their latest blog post at the end of their comment. Encourage a community and discover new posts.