What's the difference between BlackBerry and SMS?

E-mail is ultimately electronic.

Mail, American mobile phone number is not particularly important, because it will be lost and changed. However, e-mail is very important, it represents personal identity, is necessary for daily communication, and will never be changed casually. Text message, if you change the number, the other party will not find you. But for electrons,

No matter how you change your mobile phone number, you can get the mail. Ordinary smart phones can also receive electrons.

E-mail, but users need to take the initiative to log in and check it, just like reading email on a computer. As soon as there is a new email on the BlackBerry, it will be automatically sent to users, and users can see it at the first time, which is very convenient.