Prov Equity Buying NexTaf

Providence Equity Partners has agreed to acquire a 66% stake in San Mateo, Calif.-based comparison shopping engine NexTag Inc. for around $830 million, according to The Wall Street Journal. News of the pending sale was first reported by GigaOm. NexTag had raised around $31 million in VC funding from firms like Morgenthaler Ventures and Technology Crossover Ventures.