If they wish to have it, why not. Everyone is free to have his or her own coin in the crypto space. It is a decentralized system, which is not under the control of anyone. So, they too can have theirs.
Yes ,it is possible to Googlr to have their own coin specially there are the one that is popular website , They have to adapt the latest trend in blockchain using the advance technology. We have just have to wsit when they officially launch in public.