Like people can have their bank account in more than one bank then there is no harm in having email account on more than one email hosting site. Although you can send and receive an email from almost every emailing facility but some web users for some reasons find it much more convenient sending emails to those who have email account on the same email hosting site. Most web users when start using internet the facility, look to create an account on one of the email hosting websites. Considering that yahoo has most users so it is important to have an email account on yahoo. If you have not been able to create an account on yahoo here is the way to do it.