From TechCrunch:

App measurement and ad company Flurry has revealed significant traction for its iOS and Android app advertising and targeting platform, AppSpot. The platform was made publicly available in October 2012 and has attracted more than 1,000 app publishers to sign up in just over three weeks, according to the company. Flurry described revenue performance of the first 500 applications already live as “very strong”, with an average eCPM of $5.80 across interstitial, video and banner ad formats.