Now in WhatsApp Group members can join upto 256 Members.. This is happy to all group members.
Previously this count only 50. After Facebook took whatsApp and increase the members capacity from 50 to 100. Now it will 100 to 256. WhatsApp Management saying we are going to increase the Members capacity soon.
Recently WhatsApp reached the 100 Crores milestone. Its stated in 2009 only.In 2014 Facebook purchased.