My blackberry can't download anything from My app world and I can't watch videos in youtube,somebody told me its because I susbscribed for 1 weeek mtn plan,could that be true? If yes,pls what's the difference betweeen weekly And monthly subscribtion apart from the time factor,what can monthly do that weekly can't, Another question is,.. Is there any specific mb that is given when You subscribe that can be exhausted even before your subscription period expired or is it unlimited like I heard? Pls I need responds