Last week, Sprint rolled out OTA updates that removed Carrier IQ, as well as providing various other bug fixes and enhancements to a few different devices. The Samsung Epic 4G Touch is on the receiving end of a similar update beginning today, with the full rollout finishing its run within 10 days.
Here are the details:
Security update (read: Carrier IQ removal)
Dismissing multiple calendar alerts
Commercial Alert System (CMAS) activated
To see if the update is available on your device, head into the Settings menu > About phone > System updates > Update Android.