Hotmail is the best in web based email service it can handle all the attachments, easy to use very excellent support team, the msn messenger service is the best you can have a voice chat for hours without getting disconnected.Hotmail is undisputably the leader you will see people using different email accounts but when they have something important or attachments they always trust hotmail only.I have seen 45% of the people of the world use hotmail about the other which is frequently used is yahoo by 45% the rest use other email services.In India the market share of hotmail is more than yahoo you can say approximately 80% of the people have email accounts of hotmail and only 15% have yahoo ids.some of them have yahoo ids only for yahoo chat as it is really the leader in chat.I think with usa.net starting charging the hotmail will see their market increasing and lot of people switching from usa.net to hotmail.