Gmail is the best provider for mail box, online cloud and also very new things like google forms and all.
gmail is the only provider which provide the data of even 1 gb or two gb by the help of google drive ans sharing that is the best thing it provide us.
it also provide chat and even it provide video chat . that not present yahoo and hot mail.
by the help of hangout.
best thing is that we can easily use all the services of google by the help of like maps, drive, translator, youtube,
also it has h good feature that we can work in sharing on gmail. two or a team work on a same document at same time . that is special feature that mostly people dnt know that .