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Curiosity Mars Rover arrives on Mars, tweets it
The good: After numerous attempts to get to Mars, the Curiosity Rover finally landed on the planet in August. From the surface of the Red Planet, the Rover tweeted: "I'm safely on the surface of Mars." But the expanded tweet was quickly retweeted -- more than 71,000 times in total -- just as it was exploited after it was meme'd after making a sexual innuendo about being "in" the Gale Crater.
"Way to cheapen the whole experience," said one reply.