The success of applications like Viber, Whatsapp or Skype goes to show how much international communications there is and also hints at the level of immigration

The success of applications like Viber, Whatsapp or Skype goes to show how much international communications there is and also hints at the level of immigration. I'm curious to see what repercussions the removal of roaming taxes from this summer in the EU will have on these apps, if at all.