Blekko hasn't proven there is a market for it. They've got some interesting things going on, some good PR in tech circles and have raised some money but until

Blekko hasn't proven there is a market for it. They've got some interesting things going on, some good PR in tech circles and have raised some money but until they show revenue, profit and a sustainable business model, the decision on whether there is a real (or just imagined) market is TBD.