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Unlike traditional Instagram photos, which are comprised of original works of photographic art, the "#lol" tag stream is full of already-popular viral hits and memes. Users pull from traditional comedy sources -- Tumblr, Reddit and 9gag, among others -- to curate their own favorite jokes.
Here's a roundup of 15 funny photos from the comedy stream on Instagram. What's your favorite photo? Let us know in the comments below.
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