Gmail is the one of the first product form google . its shaked the email world . but we wana go through its history Email was invented by indian guy .which is used to comunicate with other people in world like sharing data, pictures, videos and as many. now its time for google many emailers are there like yahoo, hotmail etc many are there .buy gmail is user firendly and can able to understand every one . it has 15 gb storage capacity buy yahoo have more capacity about one TB its huge and dominating gmail. but 1 tb is much it should be 100gb enough for this . the speed and functuning is so speed than other mailer at present many login ids are just connecting the gmail its better to remember . and service is good many options are there like index, send, outbox, draft, spam, junk group and many its refining the junk and spam mails its amazing and seems secured and many are trusting it . the security should have to improve because of many connecting site are there it will be easy to be hack.