How to become a full-fledged "member"?!

[Lynn B]

Hi! I am new to this CL BB, and I see I am a "junior member". What do I have to do to become a full-fledged member?! And what's the difference between them? Thanks.
Lynn

[Gail]

Your status will change after you've posted fifty messages.

[Lynn B]

Thank you, Gail!
Lynn