Freedompop is offering free 500MB per month  4g data when you pay refundable $49.99 for USB stick and $89.99 for hotspot. For those who has iphone 4 and and Iphone 4s could purchase sleeve for $99.99 which will act as cover, charger and hotspot. You can also add friends using freedompop to earn extra 10MB per friend upto 500MB. Make sure you check the coverage before you make a purchase as wimax hasnt been rolled out everywhere in USA. For more information and coverage go to
www.freedompop.com