Unlimited texting your friends while traveling abroad

When you travel to foreign countries, sometimes you may not want to get a data plan for your phone because of the cost associated with it.  Now ChatSim is offering an unlimited SIM card which allow you to use the following messenger apps without incurring additional fee: Whatsapp, Line, Facebook Messenger, WeChat.

You have to pay $20 for the SIM and an annual charge of $20 for the unlimited usage.

You can get it here (Amazon is authorized reseller)