"Enhanced Positioning Technology" (which uses an accelerometer to maintain your course, even out of satellite range) - AKA Dead Reckoning
This should allow it to maintain some semblance of navigation when the going (signal wise) gets rough, so nav'ing around the concrete canyons might actually be possible now.
Now that we've thrown 'em off the trail, use the form below to get in touch with the people at Engadget. Please fill in all of the required fields because they're required.
"Enhanced Positioning Technology" (which uses an accelerometer to maintain your course, even out of satellite range) - AKA Dead Reckoning
This should allow it to maintain some semblance of navigation when the going (signal wise) gets rough, so nav'ing around the concrete canyons might actually be possible now.