Comment: i don't think it gets locked

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In reply to comment: The "username" I'm referring (see in situ)

i don't think it gets locked

until the numbers and /pages/ part are gone. up to that point you can change the name. I know because i tried about three different variations on a name before locking down.
e.g. thedailypaul, dailypaul, dailypauldotcom

you have to claim the url once you get the sufficient likes.

it is odd though using a page that was intended for one thing for a completely different purpose - why not just start a new page.

note: maybe things have changed but this is the way it was for me going through the process. If so I stand corrected.