I have just bought the Desire and I am really loving it. I have everything set up as I want it but need to ask a really basic question. I need to know how to switch on/off the different kind of data streams that are available. I have figured out using some widgets that Wi-fi, Bluetooth and GPS are no problem, I have them on one screen. The two I see that I am not 100% sure on are: 'Mobile networks' - I think this might be 3G for when you are out and about and Hotspot - I don't really have a clue what that might be for as when I am at home near my Wifi computer signal I just turn on the regular Wifi widget which seems to work really well. (Maybe this gives more download speed? I don't know). If anyone can help me with this I'd be grateful, Cheers, Ste.