[bluedino]

It's not a good solution for say, a programmer or graphics designer. It is good, however, for someone who makes a lot of phone calls and such.

[WalterSear]

It's a good solution for a programmer or designer. It's a terrible solution for someone whose phone calls will be distracted by the, otherwise minor, ambient noise of a treadmill.

[ripter]

It's great for a programmer. Source: I'm a programmer that loves it.