You can search for photos by hashtag, location, or date using some clever interface acrobatics. Tapping on a hashtag slows a map where all such tagged photos originate.
There are some aspects of the app I found disappointing and somewhat confusing, but chief among them is the lack of editing flexibility. I was shooting at the San Francisco waterfront near the SF Giants ballpark (AT&T Park) at sunset, and decided to use the available fading light to capture different angles and exposures rather than focus on editing. However, later I found that all my photos had been made public already and that there was no opportunity to edit them in the app later on.
As soon as you resume shooting, the previous photo is online awaiting interaction with other users, unless you designated it as private. Thus, it didn't take a few minutes to have people commenting on my images. Everyone was polite and helpful, which says something about this community.
Despite not allowing you a second chance for an edit, the app does automatically deposit your shots in the camera roll, and from there you can use any editor to fix them up and share them in other ways. And you can import an older image from your camera roll for editing and sharing. You can delete a photo via the Sharing button (along with sharing to Facebook, Twitter, and placing it in your Camera Roll.)
Other controls were not immediately intuitive. There's a That's Me button on photos that receive comments from the Activities tab, which I learned you can use to tag yourself in a photo.
Overall, I had fun shooting with WerYoo, and as with each app, I got used it its conventions. It's free, so you have nothing to lose by checking it out.
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