"Facebook Mail is not without its problems, but the combination of Facebook Mail, Facebook Chat, and what is functionally an auto updating address book, makes Facebook into the new Outlook not only for those who are inside of Silicon Valley, but for anyone of the millions of people who use Facebook as either their sole or their primary digital identity." - Hutch Carpenter
Microsoft is working hard on offering similar services; with their Live offerings etc - question is will Microsoft retain their dominant position in the IT industry longer term. One of their key strengths is 'owning the developer', which they still do. - Jeroen De Miranda
Puts that investment in Facebook into a whole new light. - Hutch Carpenter