By Tom Jordan, WWJ morning co-anchor

Are they summer-tanned, thin legs posted on your Facebook timeline – or just a couple of hot dogs?

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Both are summer staples: tan legs, and hot dogs on the barbecue. But I never ever thought they cold be confused.

The hottest trending blog right now on tumbler shows a lot of gawkers are confused.

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What appear to be selfies of legs in exotic locations with the caption “wish you were here” may in fact be carefully placed hot dogs in such poses as lounging on a beach, a lawn chair, overlooking a glistening lake.

See the comparison pictures here.

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You might find yourself relishing a friend’s knees overlooking a Hawaiian luau, but you better check to see if it passes muster. Otherwise, just pass the ketchup.