Help somethings wrong/ S L O W Internet

New to BB's, I have the curve and noticed since yesterday that the Internet is unbelievable slow. at first I thought the network was busy or something . But it must be something worse. It stays in requesting for so long I just start doing something else. I am hoping that one of the many amazing and brilliant people on this great site will be able to help me. I have ATT on the EDGE I know the edge is slow but seriiously something is wrong.
Please help, thank you