Gmail

Gmail is a mailbox provider by Google. It is the largest email service worldwide, with 1.8 billion users. It is accessible via a web browser (webmail), mobile app, or through third-party email clients via the POP and IMAP protocols. Users can also connect non-Gmail e-mail accounts to their Gmail inbox. The service was launched as Google Mail in a beta version in 2004. It came out of beta in 2009.

social networking, microblogging and messaging tool

American computer engineer; created Gmail

email service developed by Google

Free third-party Windows Shell namespace extension for Google's Gmail