Unfortunately, it also makes it tough to ignore somebody without upsetting them.
Group chats tend to be either too active or suspiciously quiet, the latter often the case immediately after you remind everyone that they owe you money. Put your mind at ease by long-pressing your sent message and hitting the Information key on Android, or swiping it from left to right on i OS.
No replies after an hour when everyone was online and irritatingly chatty just a minute before you messaged? This will show you exactly who has read it and when.
The easiest method is by disabling read receipts altogether.
Simply go to Settings Read Receipts and uncheck the box.
More useful than SMS, slicker than Hangouts and easier to use than Skype, it's no wonder Whats App is the number one communications service of choice for hundreds of millions of smartphone users.