Msn Hotmail sign in | MSN sign in | www.hotmail.com:- Hotmail is a popular webmail service meant to soot your email need be it on the mobile or desktop version any time and any day. Just like yahoo mail and Gmail, MSN Hotmail is one of the pioneers of webmail service. Msn Hotmail was founded by Sabeer Bhatia and Jack Smith. It’s then headquarter was in Sunnyvale California. As the situation unfolds, MSN Hotmail was then in 1997 acquired by Microsoft in 1997 for a total sum of $400 million.