Matthew Yglesias @mattyglesias
My first thought goes to more abstract stuff, like my AP calculus level understanding of math would be revolutionary. Think I could also probably help accelerate lens development, then hopefully spot some microbes and tell people to wash their hands? — PolitiTweet.org
Megan McArdle @asymmetricinfo
Useless but fun speculation of the day: If you were suddenly transported back to the 12th century, what useful mode… https://t.co/lJl5moGq8Z