Here are some basic rules for you and us till we get a more formal and complete document here...

Things we expect from our users (This is you):
1. Don't upload nude or inappropriate images to our site (If we find them we will delete your account immediately).
2. Follow the golden rule and treat people the way you want to be treated.  If you don't agree with someone's viewpoint, religion or ideas don't flame them.  Post your viewpoints.  The goal is for everyone to be heard.
3. We don't want kids under 13 years of age on this site.  If we find you, your account will be deleted immediately.

Rules and things we will stand by:
1.  We (The people behind Expressivearth) will not share your information (Who you are or where you live, favorite dessert, etc.) with anyone. 
2.  We won't pander senselessly to advertisers.
3.  We will listen to your suggestions and try to add them to the application.  It may take some time for features to be added, but they will be if they make sense and we have the resources.

Expressivearth is here for you to make yourself, your ideas and viewpoints heard.