Many an armchair futurist seems absolutely convinced that Google Glass might soon render street crime obsolete. The thinking goes that when everyone is under the watchful eye of a web-connected faceputer, your common street hoodlum will no longer be able to rob with impunity. We've been down this road before.
If you like to travel to strange and exotic places and stay in questionable hotel rooms—and who doesn't?—you might want to take along one of these FlareSafe personal safety devices, which is a combo smoke detector, distress alarm and really bright LED flashlight.
If Natalie Portman's character in V for Vendetta had this safety alarm pedometer, she would have never met V and the movie would have been 10 minutes long. The Sportline 334 is a regular pedometer — tracking your steps and counting your calories burned — but it also makes a 100db noise to alert bystanders. It…