Whats App : Android – Crosses 1 Billion – Download. Development Team comprise of only 4 person.
Read the tweet from the Whats App – Promotor.
For all Avid Whats App Users:
Now, against each message, you will find Two Blue Tick marks. It indicates that user has read your message. If it’s white, recipient has yet not seen the message or image.
Now check your Whats App.