Ground Truth Emerges From Stealth Mode to Shine Light on the Mobile Web – GigaOM

Ground Truth Emerges From Stealth Mode to Shine Light on the Mobile Web – GigaOM: "The surge in mobile applications has given rise to a small army of players that offer analytics for app usage, giving developers and advertisers valuable information about how consumers are using their specific applications and responding to ads. But the mobile web overall has long suffered for a lack of rock-solid data. M:Metrics, which was swallowed by comScore in 2008, gained traction in the space by compiling survey information, while its rival Telephia compiled data via “bill-scraping” — analysis of customers’ mobile bills — and was eventually acquired by Nielsen."