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The main problem we found was that some of our users were confused by the concept of 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.
Another problem our users brought up was being able to label groups of friends to allow for easy sharing when new circles are created. One user also brought up the issue of having circles with the same name. For example, if the user created a circle with one name, there is nothing stopping the user's friend from creating a circle with the same name and sharing it with the user. The user asked for a way to easily differentiate between these circles.
We noticed that most people were very comfortable dragging and dropping photos into albums, and found it intuitive that they could select many photos to drag into the window. However, one user asked what would happen if you dragged a photo on top of another photo, specifically where that photo would be placed. The user was also confused why there wasn't a finish button. Even though adding automatically finishes once uploading of dragged photos is done, we noticed that users like having a button for confirmation.
We also noticed that nobody tried to rearrange or delete photos. We didn't give these specific instructions because we wanted to see if it was obvious that this could be done, but we realized we needed a better affordance so users knew it could be done.
Another problem our users brought up was being able to label groups of friends to allow for easy sharing when new circles are created. One user also brought up the issue of having circles with the same name. For example, if the user created a circle with one name, there is nothing stopping the user's friend from creating a circle with the same name and sharing it with the user. The user asked for a way to easily differentiate between these circlesuser asked for the ability to make captions for photos, preferring this over comments as the owner of the photo.