Microsoft revamps Hotmail, takes on Google and Yahoo

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Has Microsoft Outlook Beaten Google Mail - Looks Like It Has

Microsoft Tool Steals Yahoo and Google Email Accounts and Brings Them to Windows Live Hotmail

Yahoo! Mail update for all platforms launches - gHacks Tech News

View Outlook, Yahoo, Hotmail or AOL email in Gmail #gmailify

Microsoft brings big upgrades to Hotmail

Yahoo Mail – Organized Email - Apps on Google Play

Microsoft Outlook Guide: History, Origin, and More - History-Computer

Yahoo Mail Update Ditches Passwords With New 'Account Key' Service

What is Outlook.com and how can I use it?