Gmail Yahoo and Hotmail are mail servers. They can be used to send and receive mails. Outlook uses these mail servers to sync at one place.
you can mail
Google's e-mail, Gmail is much more efficient than Hotmail or Yahoo.
User can send a mail from Gmail account to other ones. Hotmail and Yahoo are examples of those. Gmail provides cross server mailing too.
yahoo mail and hot mail both are better but hot mail as is Microsoft mail site.
Gmail is said to be better than hotmail. However it is on one's perception how they find it. Gmail is said to be lighter and faster.
Gmail is much better than yahoo mail. The primary reason being it's popularity. There are also more updates in Gmail as compared to yahoo.
Google Gmail Yahoo Mail Hotmail Twitter
Yes you need an email ID for that too. However Gmail is not necessary to receive mails. You can get mails to Yahoo mail or hotmail too.
You could try Google Mail (GMail), Yahoo! Mail, MSN (Hotmail). There are many more
It depends on if you are trying to just send some mail or many things at once-some of them are better for basic sending then others...Gmail would probably be more practical for just sending some e-mail. and gmail can contain more mails.
Hotmail came before gmail.