![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhg1G36bD39IUc9quYZjhvBNNYMH9R3YmZt5PlsEChyoCyhh8_YRoaNHHztZJesxVUXj5bn1UGxXVRlxeAdO-8UmHk-MyaRhzn6UHOgiENm0F4xEviKhfVbT_R5OYKRUHOTd3n5BQ/s400/no_smile.jpg)
Imagine two banners side by side. One says "No Smoking" and the second one...
"No smiling".
I guess, it will soon be not uncommon in most of the states in US. Because, four states has already banned smiling in driving license photos. Why? Computers don't like human smile and they often make mistakes identifying a person by scanning their photos, when smiling.
So four states -- Arkansas, Indiana, Nevada and Virginia -- are telling drivers to wipe that grin off the face. No more happy days for licensing, the states have declared, drivers must adopt "neutral facial expressions. (source)Many other states are considering similar approach. Some states though are resisting the movement. Pennsylvania Transportation Department spokesman Craig Yetter, states, "People can smile here in Pennsylvania."