How about some examples of the site, some text about how it works or what it does before signing up? Sure, sharing my thoughts is great. Who am I sharing them

How about some examples of the site, some text about how it works or what it does before signing up? Sure, sharing my thoughts is great. Who am I sharing them with? What sorts of thoughts? Is it all public? Private? Who else is sharing, and why? Putting this behind a sign-up wall is seriously hurting any opportunity this may have for you to get users, or even get people interested.