What are groups?
Groups are created by individuals who have their own specific focus, like HDR, Weekly Challenge etc. Members like yourself runs their own groups on PI, sharing, challenge or learning specifically about specific group topics. The rules of the groups are created by the member's who started the group, they have their own regulated rules and conditions to participate etc. Anyone are welcome to start their own group or groups for their needs or interest.
Though it's a member's group, they still follow the SITE policies in the case of terms and policies. Examples like no nudity, copyrights etc etc.. other than site policies PI admins really don't interfere with the group rules or how the member wants to run their own group. As PI founder I would like to see the group's owners get a chance to be successful with their groups' without the interferences and be able to achieve their goals.
How do I list the groups?
On the TOP Menu bar as illustrated below.
A new page will be presented to you similar to the one below.

Select any one of these group's of interest and start participating within the group, any questions relating the groups - don't be shy to ask the creator's of the group. Enjoy!