mattnyc99 writes "Two weeks after the launch of Google Latitude, your inbox is probably full of requests and privacy advocates probably have even more concerns than they did at first. But some tech pundits are already seeing the bigger picture of a digital lifestyle based around the always-on, GPS-based mobile map. The NYTimes's John Markoff has a great piece in today's Science Times about the map as metaphor for a time when 'future systems will probably begin to blur the boundaries between the display and the real world.' Over at Esquire.com's Tech Therapist, Erik Sofge talks to the geek behind Latitude and offers a similar reality check: 'Latitude will be precisely as annoying as e-mail and social networking sites and cell phones themselves — and just as useful. What won't stop Latitude, or the wider rollout of location-based tracking, is bitching about it. These are juggernauts of free, culture-reorienting technology. And you and me, we are but posts on the massive Facebook profile of history.'"
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals