How do I fill in my Yahoo profile, and where?

Apparently it is blank until I fill it out, right?

Will I lose my Y 360 and Yahoo Group if I do not fill out the new "Profile"? Reason: I do not want my full name revealed to everyone.

dont you think it would be nice to know a bit about the people answering your questions? i read a really good answer to someone else's question the other week so i clicked on his avatar and i found out he was an english teacher, vietnam vet, and has...

Some people on some of the groups I belong to are panicking Alot of my large groups I won do not have profiles done and I don't care. Groups are to large to ask all to post private info on a web site. Can't say I blame them. Please if this is false,...

But i don't know what are writing reviews, Add a Feed (via RSS), groups(i think by mistake i made my own group and i want to delete it before anybody joins how do people join and could i delete my group),inviting friends(i have some friends but i don...

When I signed up for Yahoo years ago I was required to fill in town and sex and birth date. I believed this would be kept private. Now it appears for all to see. I tried to change it in my profile but the change does not happen.

when i fill in a nickname on my yahoo profile that name automatically shows up when i go into a chat room instead of my screen name. why is this? & can i change it at all?