Function: If you want to open your project to participation by others, you can establish a Join Us page, and list some success stories. Those interested can visit your site or submit an application which you can review. Step 1: Turn on in Project Settings tab . . . Step 2: Scroll down to the desired area and toggle the features on>> Save Changes at bottom of page . . . Step 3: Edit the content areas in for the Promo page or Success Stories . . .   Step 4: Your promo page will be similar to this. You can use its web address in your marketing material.