Bad Google Photos...
I have a pro Flickr account, but the review of Google Photos made it sound like it's super easy to organize pictures in it, so I thought 'let's give it a try.' I uploaded a bunch (a few hundreds) of old photographs.
Well. First, you can't add information to multiple photos at once as you can in Flickr. Not fun. I decided to live with it.
But, then, I wanted to erase the duplicates. Turns out, if you want to erase a picture from an album, it only removes it from that album, it does not actually erase it. Fine. So I erased them from the general photo collection.
So now I go to the album that contained erased photos. And guess what -- for each erased photo there is a black slot with a circle and a line through it in the middle. And if I want to erase it the "nonexistent picture" slot, it says "it can't be erased."
I.e., you *must* erase photos first from albums, then from photo collection itself. Or select actual pictures, put them in a new album, then select the old album. Haven't actually tried it, too much work.
Bad Google photos. My pictures are getting moved to Flickr.
They recently made changes to the Google+ and Picasa Web Albums and introduced the concept of Collections. It certainly didn't make life easier for me. You might want to check out how each of the services treats your rights to your photos and what they are allowed to do with them before you put too many out there. Several threads here on the subject... Good luck!
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