When you are in your main Feed you can click on the red circle with a plus sign in the lower right corner to create a new post.

Members can perform the following when creating a post:

1. Add text.
2. Tag another member by typing the @ sign and tapping on that member when a list of members are presented.
3. Add an optional picture (Note: a user can select a picture from their photo library or use their camera to take a picture.