Finally, WhatsApp users will be able to login to their account on multiple devices at the same time. We say, “About time!” Competing messaging apps like Telegram and Messenger have been able to do this for a long time. It is good to see WhatsApp step out of the dark ages.
When the feature finally goes public, you will be able to login to WhatsApp on two or more different phones at the same time without being logged out.
Also, WhatsApp Web will no longer require that you have an Internet connection on your smartphone. Till now, WhatsApp Web will not work if your WhatsApp phone is not connected to the Internet.