Tech DC

According to The Washington Business Journal, AT&T  (meaning iPhones) and Sprint are now starting cell phone service in some DC Metro stations and will expand that coverage over the coming months.
Expanded Metro cell phone service starts Oct. 19
More cell phones will be working at some of the region’s busiest Metro stations starting Oct. 16, under [...]

When people ask me for hands-free headset advice, my first question is if they prefer wireless (using bluetooth) or wired (plugging a headset into the phone). Each have their pros and cons.
Wired:

cheaper ($10-$25)
no loss in audio quality
simple
no battery to charge
needs to have correct adapter for particular phone

Wireless:

More expensive ($80 for my favorites)
No wire to get [...]