This has never happened to me before. I travel a lot and wifi isn't always available, so I'll use data to browse websites, YouTube videos, etc. Last night I was watching a video on YouTube when suddenly it comes to a screetching halt, and I can't get it to load at all. I decided to log into AT&T and my data usage so far for this billing cycle is 5,601MB. Has my data been throttled? I also did a speed test, I did 0.43 down and 0.49 up with 149 ping on LTE in Seattle, WA on my iPhone 5.