Could also have been an accidental subscription. Ray's account could also have been left open when one of his kids came in the room. Or he may have been going to click one thing and just as he went to click, his wife shouted something, and he accidentally clicked subscribe. Maybe your photostream popped up on his page at some point and he saw something he wanted to bookmark, but he didnt know how to bookmark so he subscribed. Maybe I am Ray and only I know why you are my only subscription...mwa ha ha.
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