On Monday, a Touchstone Arcade thread from a disgruntled developer claimed numerous apps in Apple’s App Store were promoted into the top 25 using illegal services. The poster accused a number of big-name developers such as Crowdstar of using such services. Crowdstar’s co-founder Suren Markosian immediately denied the accusation, assuring customers it promotes its apps “using legitimate advertising channels such as flurry, chartboost, iAds, etc.” The thread gained a good deal of buzz, however, prompting Apple to post a warning to remind developers to adhere to guidelines when promoting their apps. “Once you build a great app, you want everyone to know about it,” reads Apple’s warning. “However, when you promote your app, you should avoid using services that advertise or