1. Amazon ec2 pricing. http://aws.amazon.com/ec2/pricing/. Amazon ec2 pricing. http://aws.amazon.com/ec2/pricing/.
2. Appbrain. http://www.appbrain.com/. Appbrain. http://www.appbrain.com/.
3. Appclix. http://www.mobilytics.net/. Appclix. http://www.mobilytics.net/.
4. Flurry. http://www.flurry.com/. Flurry. http://www.flurry.com/.
5. Kissmetrics. http://www.kissmetrics.com/. Kissmetrics. http://www.kissmetrics.com/.