Yes! Twitter is available to all iPhones and Android devices at no cost.
No, you can get the Twitter app on your iPhone for free.
yes
No, the iPhone 3GS does not support iCloud. iCloud was introduced with iOS 5, which is not compatible with the iPhone 3GS, as it can only be updated to iOS 6.1.6. Users of the iPhone 3GS can use older synchronization methods, such as iTunes, but not the iCloud service.
Use a hammer
yes
You can but it will not be cheap as you have to purchase it contract free. The price with no contract is: Device No-Commitment 16GB iPhone 3Gs $499.00 32GB iPhone 3Gs $549.00 16GB iPhone 4 $599.00 32GB iPhone 4 $699.00
The apple iphone 3gs it rocks!!!!!!!!!!!!!!
It uses iOS
use the newest version on green poision
No
Yes, iPhones use a normal sim card.
i mostly tweet on my phone like ten times an hour. and it never charges me. yet, i have the iphone 3gs so its an app but im pretty sure it doesnt. my friends use it all the time to and they dont have any kinda fancy phone.