WhatsApp is a messaging platform that allows user to send and receive message for free, all you have to do is register with a valid sim card and the step above is for one of the recent feature they added, just like Facebook status you get to upload pictures and video also but the setback is that it gets taken down after 24hrs. Say a friend of mine uploaded a funny clip but then it will be taken down after 24hrs which I wont get to see anymore unless I visited him wherever he current lives but then I can as well save it. Although you can save this clip via screen recording your device but then the quality will be low and not all phone supports this feature,, but with the above you will be able to store the video offline exactly the way it was uploaded. Thanks for stopping by and I hope you have a nice day