Microsoft revamps Hotmail, takes on Google and Yahoo

What is Hotmail? - Quora

Microsoft Bing - Wikipedia

Setting Up Sync of Your Calendar and Email (Google, Microsoft Outlook/Exchange, Apple, Yahoo, and More) – Law Ruler Software, LLC

Gmail edges Hotmail as world's top e-mail service - CNET

Yahoo Mail rolls out 1 TB storage space: Takes aim at Gmail

Not so Hotmail: What your vintage email address says to potential employers - Poynter

Outlook.com arrives: Microsoft gets aggressive in new bid to dethrone Gmail – GeekWire

Blog - Gmail vs. Yahoo! mail vs. Hotmail

Which Is the Best Free Email Service Provider - Gmail, Yahoo Mail or Outlook (Hotmail/Live)? - HubPages