Its my personal experience with Gmail in 5 year.
gmail provide all types of functional and operational on the email.
and all aspects of now trend consumer want all-in-one.
gmail provide Google+, Map, Play store, Youtube on one click and one account.
its my views I am very delight with gmail service.
and always keep only one account and you do everything on internet with google.
all service link accept.
service is better all time.
one time I suffer problem with gmail. after 1/2 hour my problem solve.
I am very happy to work with gmail.