By moving into e-mail -- the Web's most-used program -- Google would open up a huge new market for its lucrative "sponsored links" advertising business that delivers ads tied to keywords in Web searches or on content pages, analysts said.Offering its own branded e-mail -- whether for free or with enhanced services like spam filtering -- would also enable Google to tie users more closely to its search site and to steal customers from rivals, they said.
Verrry interesting!