Anyone interested in story behind Hotmail should checkout:
"PS: I Love You. Get Your Free Email at Hotmail"
https://techcrunch.com/2009/10/18/ps-i-love-you-get-your-fre...
and here is the story of how Microsoft acquired Hotmail:
"PS: I Love You. Get Your Free Email at Hotmail"
https://techcrunch.com/2009/10/18/ps-i-love-you-get-your-fre...
and here is the story of how Microsoft acquired Hotmail:
What a mistake that would have been, especially when people were new to email and online ads.