Mobile antivirus apps and Microsoft's policies were called into question after former Microsoft worker Justin Angel disputed AVG's new Mobilation for Windows Phone 7. He found in a code breakdown that it was not only tracking the phone's location over GPS with the GeoCoordinateWatcher, against Microsoft's guidelines, but sending device IDs and the e-mail address. Little else was being accomplished, ChevronWP7 creator Rafael Rivera added: it so far only looked for EICAR code strings and a Hebrew word.