The Fair Usage Policy will remain.
No changes to T&Cs
You will get a free text message as you approach your limit
If you use excessive data over a 3month period, ie, 1Gb instead of 3 then they will look to ask you to sign upto a Mobile Broadband Package
This is fairer as apparently now you won't be charged if you go over, you will get a text message
Previously if you did go over apparently you would be billed
No you cannot cancel under the 11d para 4