I feel the ATT roll over data is about like thowing a dog a bone while the family is eating prime rib.
This business of it only being for one month and you have to use your package amount first makes roll over data from ATT no more than a bone, not enough to keep people from going to TMobile for a real data stash. The way I see it if you ever use any of your roll over data there's no way your going to have any extra data the following month. This isn't going to do me much good as I travel for a couple months at a time and then might be home for three months using very little data. I have a 40gb family share plan and there are months I don't use 10gb.
I hope Verizon comes up with a better roll over option that will make ATT have to revise this roll over scam. Come on ATT at least let us use our roll over data first before our plan data, That way it would be possible to have no more than double your plan data at a given time if you allowed us to use our roll over first and plan data second and still have roll over expire in one month. Now I could live with that but otherwise having been with att since 1996 I am problably going to give tmobil a try.