What is Gmail ?

What is Gmail?
Gmail is a free webmail, POP3 and IMAP service provided by Google.In the United Kingdom and Germany it is officially called Google Mail.

Gmail was launched as an invitation-only beta release on April 1, 2004 and it became available to the general public on February 7, 2007. Although over 100 million usershave opened Gmail accounts over the years, to this day[update] the service remains in beta status.

What is the storage capacity of Gmail
With an initial storage capacity offer of 1 GB per user, Gmail significantly increased the webmail standard for free storage from the 2 to 4MB its competitors offered at that time. The service currently offers over 7300 MB of free storage with additional storage ranging from 10 GB to 400 GB available for $20 to $500 (US) per year.

Gmail has a search-oriented interface and a "conversation view" similar to an Internet forum. Software developers know Gmail for its pioneering use of the Ajax programming technique.

Gmail runs on Google Servlet Engine and Google GFE/1.3 which run on Linux.