I don't think anybody else has posted this, but...
If you use text messaging to post status updates or pictures to Facebook, you've basically already "registered" your cell number to Facebook anyway.
I did that in the past and my phone number was on Facebook but I hid it from being viewed by anybody on my page.
If you use text messaging to post status updates or pictures to Facebook, you've basically already "registered" your cell number to Facebook anyway.
I did that in the past and my phone number was on Facebook but I hid it from being viewed by anybody on my page.