the internet caller which take the place of mobile and telephones . usually people which are foraway from there families and they want to talk there house members alot . means that they want to talk a long time like one or two hours daily mostly of them use the skype for there conversation . because the skype is the free calling browser and a lot of people enjoy from this and get intertained.
how to skype
Skype to Skype IMs, video and voice calls are free* over 3G or WiFi.
skype video call : using this call you can view the images of each other and get enjoyed. you can talk and view the pictures of each other by using webcam .
skype mobile call : using this call you can only talk with each other you can not view the images of each other because you does not use the webcam .