Witness how car alarms are regularly ignored.
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(visit http://mrdoob.com/projects/chromeexperiments/google-gravity/ with Chrome on a MBPr)
We know there are limitations (especially: if you close the MacBook, the alarm will not work) but we're working on it. So thanks for all the feedback, it's very useful to know what areas we should address.
If you would like to write to us directly: @laplockapp. Thanks!
2. Even if it works, wouldn't this be useless since the thief would not know about the app running? Ie most theft prevention mechanisms works because they manifestly inform the potential thief that it's not worth his trouble to bother with this one.
But if this is just an app running in the background - there is no 'warning' shown.
You can pick up a drawstring gymsack for a couple of bucks. It scrunches up to a very small size in your daily carry, and you can ensure any valuables are secure on your back if you have to be away for a short time while the rest of your stuff stays at the table. Low tech, but has been effective for me so far.
it would be nice if you could text back the PC to turn on it's speakers like a car alarm