In-ear headphones? All the benefits of passive noise cancellation without big hefty cans on your head. I switched to them mainly to protect my hearing (I tend

In-ear headphones? All the benefits of passive noise cancellation without big hefty cans on your head. I switched to them mainly to protect my hearing (I tend to listen to music on the bus or on airplanes where there's a lot of ambient noise, and with open-air buds I had to crank the volume) but they're also a godsend in the workplace when I really need to focus (and I have a private office).