Boingo tried its hand at free WiFi with Google earlier this summer, and now it's acquired Cloud Nine Media to help it claim a larger slice of the sponsored internet access pie. Though Boingo's 500,000 subscription-based access points vastly outnumber its acquisition's 6,000 ad-sponsored locations, it hopes to use the newly purchased company's hotspot sponsorship and ad-sales expertise to increase its free WiFi footprint. "This acquisition allows us to bring that capability in-house to better ser
