...
The main problem we found was that some of our users were confused because we did not have a by the concept of albums circles in our site. We had to explain that instead of albums, we just had circles of friends that you shared photos with. We decided to disregard albums because we wanted a lack of hierarchy, allowing us to maintain simplicity in our site. When we debriefed our users, some of them liked the simplicity after it was explained, seeing that it was very similar to the way Google Docs lack hierarchy and require emails to be added each time a new document wants to be shared. However, some people preferred having hierarchy, thinking that it was more organized if under the umbrella of circles, albums could be made to further organize photos.
...