Because it's not my responsibility to maneuver to one side of the street, often against a building or the pavement, when you are about to run into me, nor to tell you to "look out" to avoid a collision. You are not five.
Yep, these lil' protective coverings for your thumbs remind others not to text behind the wheel. Here's how 11 DoSomething.org members got super creative while keeping their friends super safe.
The politeness that would make a real difference in my life, and I suspect a lot of people's, wouldn't come via the USPS or through the other Buzzfeed suggestions. It would be on the road.