WHATSAP

It’s used to talk with you contacts for free,you only need internet access to  download this phone application depends if your phone is a nokia in  ovi store or if it’s another phone in market. Here you search  whatsap  and download it and you can talk to your contacts for free. 

Here there is a link with explications.

http://www.youtube.com/watch?v=gGvyodIRx3Q