1. It just means that the person confirmed there account. My AIM -> perferences -> confirm account. Its the same thing when your online, it will say unconfirmed or confirmed, depending if the person confirmed their account.
2. yes if u sign on to aim the cell phone will disappear. It just means that now people can send u test messages to u online, rather then to your cll phone.
3. yes if the person doesn't turn off there cell phone from
http://mymobile.aol.com they will still get messages to there phone.
4. no u can use the same SN.
5. yes they did not block u. yes if they blocked u, u wont be able to see them online or on there mobile.
the basic idea of having a mobile, isd that when your not online on your computer, people can send u text messages to your phone while your away from it.