you are actually very wrong.
hotmail IS the web's most used webmail service. it has around 360 million monthly visitors compared to just around 200 for Gmail.
these are largely assumptions because these companies do not really talk about these figures in public.
here is a sample chart from a company that monitor email clients. Email client popularity: June 2011 - Email Stats & Reports - Email Clients - Campaign Monitor
hotmail IS the web's most used webmail service. it has around 360 million monthly visitors compared to just around 200 for Gmail.
these are largely assumptions because these companies do not really talk about these figures in public.
here is a sample chart from a company that monitor email clients. Email client popularity: June 2011 - Email Stats & Reports - Email Clients - Campaign Monitor