When Neil Armstrong became the first man to step foot on the moon in 1969, I doubt he gave much thought to the dank memes that would one day come of it. I also doubt he knew what ‘dank’ or ‘meme’ meant, but it really doesn’t matter; I’m painting a picture here. NASA already taps over a dozen social media networks to share its imagery, but today it’s adding two more: Pinterest and Giphy.