We gave 400 people a sticker and had them show us. Now we want to hear from you.
SPONSORED CONTENT BROUGHT TO YOU BY What is this? This Content is made possible by our Sponsor; it is not written by and does not necessarily reflect the views of Slate's editorial staff. How Old Is the Oldest Person You’ve Known? We gave 400 people a sticker and had them show us. Now we want to hear from you.
