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Why does Facebook require you to retype your address when you register?

  • you already have feedback, so there is no possibility of mistake
  • you can just copy-paste the address
  • they don’t check it anyway (it is possible to register an account with someone else’s address)

On the other hand, requiring the user to retype the password would be useful, since you get no feedback there.

facebook registration page

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If you get the password wrong you can reset via email. If you get the email wrong - then you're stuck. – Stewart Dean Feb 10 '14 at 14:53
@StewartDean If you get the email wrong, you can register again. The problem is that Facebook does not check the email you entered. – kinokijuf Feb 10 '14 at 15:00
@kinokijuf Facebook does check the email you entered, by sending an email with a link you must click on. This is the only sane way of ensuring that an email address both exists and is controlled by someone who is complicit in the creation of this Facebook account. – Paul Gregory Feb 10 '14 at 16:15
@PaulGregory you can still register and use the site without activation. After several days, they issue you a “checkpoint” and demand you give them your phone number regardless of whether you have activated, but that’s another issue altogether. – kinokijuf Feb 10 '14 at 16:27

A similar question was asked on Quora. As @stewart-dean stated in an earlier comment, the primary reason seems to be that it helps to verify that a user entered their email address correctly. Passwords can always be reset. Incorrect email addresses cannot.

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-1 for linking to a paywalled site. – kinokijuf Feb 10 '14 at 15:52
@kinokijuf come on, the informations he is referring to are available even if you're not logged. – Gabin Feb 10 '14 at 18:41
I don't personally think it's worth the -1 - but Quora doesn't let you see the material without logging in. – adrianh Feb 11 '14 at 8:34
@kinokijuf There's a wall, but no pay, and Hynes has summarised the information there. Would you rather Hynes didn't link directly to it, meaning that as well as having to log in you had to find the question? – Paul Gregory Feb 11 '14 at 17:14

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