The poor newbie doesn’t know Chris’ username (1029chris), so she can’t search by the name of the world’s creator, to find it via Chris’ profile. After a frustrating couple of minutes, she gives up. She loses out on an experience that would have engaged her, andperhapsbrought her...
After going into the social menu and choosing the friend you want to hang out with, you'll find that they can join right from their profile. You can also invite them into the world you are currently in. If the person the player wants to encounter is in Ask Me mode or a private ...