Users can query this widget to find out more about these visitors and decide if they want to purchase full business contact information. think the idea of an iTunes™ -like interface — and pay-as-you-go pricing structure — for viewing, sorting, and selecting B2B contacts is intriguing. The lead management automation market, about which I blogged previously , continues to attract new players at a rapid rate. Starting to see providers team up with data aggregators (Jigsaw’s name comes up here) to provide new sources of business contacts. I’m sure I forgot a few.