no
Your username for the account doesn't have to be the same as the email address. But when you log in, you need to use your email address, not username to sign in.
The same email address that you use for all your emails can be used or you can get an email address and use it just for the PSN
Form separate accounts for you and your sister, you should be able to separate your files.
Ummm.... Well, see if anybody else has the same email address and get it from them. Everything is fine....
When you facetime with another ipod you have to make sure your using the email they logged in to facetime with and that they also have your email. You cant use a phone number. If it still don't work then you probably have the wrong email address and if you don't want to figure it out I would suggest downloading the Skype app. Its pretty much the same thing you just dont have to worry about emails.
No.
I have done it you just put in the same email address and then do whatever you want after that
Get their email address and send an email it is the same everywhere.
email address is individual person address but web address is public address. email address is different for every one in the world but web address is same for every one in the world.
Many companies may utilize more than one email address for the very same reason many people do; companies have different email address to deal with different subjects, such as customer service, sweepstake entries, and questions or problems with a product.
To resend an email to the same person, open the original email, click on the "Forward" button, and then send it to the same recipient's email address.