Few days back WhatsApp mention a Number “500000000 (half a billion)” in the Official blog. It denotes the number of user in using WhatsApp in your mobile version or desktop version. In the last few months, we’ve grown fastest in countries like Brazil, India, Mexico, and Russia, and our users are also sharing more than 700 million photos and 100 million videos every single day said by WhatsApp. Now it is available for web version i.e You can get a mirror copy of what you texted (conversation) in your desktop WhatsApp conversation. WhatsApp is introducing Web version – you can be in contact with your loved once from your web in case of any issues in your mobile. as officially said in Whatsapp blog.