Help us sort out changing meanings in “nodding” and “shaking” your head! Take the survey and share it: https://t.co/3xtBVRbJLj
Help us sort out changing meanings in "nodding" and "shaking" your head! Take the survey and share it: https://t.co/3xtBVRbJLj
— Grant Barrett (@GrantBarrett) March 29, 2017