Related Clues:
- Google's messaging service
- Release concurrent with Windows 95
- Online service offering free addresses
- Popular Google service
- ISP that includes Bing
- Web portal since 1995
- Rival of AOL
- Service launched on April Fool's Day in 2004
- Its logo is an envelope
- Rival of AOL or Yahoo!
- Online service introduced in 2004
- Service with more than 1.5 billion users
- Portal that links to Outlook.com
- ISP designed for Windows
- Its logo has a blue, red, orange, yellow and green 'M'