3
votes
3answers
99 views

Money transfer username or e-mail

Paypal allows you to send money to someone by entering their e-mail address. Is this the best practice for money transfer services? Would it be more user friendly to use user-picked usernames instead, ...
40
votes
6answers
2k views

When the username is an email address should the field be called 'username' or 'email'?

When the username for a service is an email address should the field be called 'username' or 'email'?
12
votes
4answers
551 views

email field or username for logging in an application?

What is the best solution for an app : Email or username field? I like email because: it's unique user will easily remember it's personal (which can be a disadvantage sometimes; Multiple users on ...