Don’t be a hazard. Master the etiquette of texting.

Do you text-message while walking down the street? Do you see it as a serious issue? Casey Neistat, a filmmaker who submitted this video "Op-Doc" to our Opinion section, does: "Let’s stop acting like hollowed-out zombies, with BlackBerrys and iPhones replacing eye contact, handshakes and face-to-face conversations."

<a href="https://www.nytimes.com/2012/01/09/opinion/texting-while-walking.html?smid=gp-nytimes" target="_blank" rel="nofollow noopener noreferrer">Opinion | Texting While Walking - The New York Times</a>