Sometimes readers who have never or rarely changed before , or not from that location , with no goal of making an account , click on `` change this page '' only to find that changing from their IP address is blocked , for something they did n't do . Occasionally readers who have never or rarely edited before , or not from that location , with no intention of registering an account , click on edit only to find that editing from their IP address is blocked , for something they did n't do .