Bots can serve millions of users in the same time without any delay! Either on facebook or any other social network , bots can reply to all users just like your employee
Power & Speed of light!
Bots answer immediately , correctly and better than any employee you have! The bot intelligence will help it also learn with time.
Bots can be accessed from everywhere on any mobile,tablet or PC. No need to create several apps for several platforms. One time is enough for everything.