https://www.cnet.com/news/letter-to-the-facebook-friend-who-shared-data-with-cambridge-analytica/ >The Facebook scandal has taught me a valuable lesson this week. When the inevitable zombie-virus apocalypse hits us, the whole world will be infected because a few people didn't wash their hands. >No matter how prepared we are, how many vaccinations we've stockpiled or how many faceless soldiers we have ready to deploy in our futuristic aqua-tanks, the outbreak will come down to Patient Zero -- the idiot who pets the radioactive monkeys at a military-run lab and then doesn't wash their hands before dinner.