Guest And Member Priveleges

There are several advantages to becoming a member. As a guest, you can:

read/write comments
contact the site
rate content
search content
view faqs
vote on polls

However, as a member you can do all that, PLUS:

view statistics
send invitations
take part in quizzes
create a user profile and access other members' profiles
take part in the forum
create polls
ignore users
access private messages
view site activity
view latest visitors to your profile
and more....!