Because everyone has the freaking internet on their phone these days, we've forgotten common decency in how to use them. There is such thing as phone etiquette! And we should all follow such rules. Cartoonist Ted Slampyak created propaganda-style posters that details a few rules on how to use a phone in public.
It's not that complicated if you think about it but I'm pretty sure I'll never be able to stop checking my phone in mid conversation and such. I think the one where most of us do a pretty good job at is flipping off the ringer when we're in a movie. What bugs you the most about people and their phone use?