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Comment Re:Why for your friends, and not for you? (Score 1) 281

I've gone through three Roombas and won't buy any more. They take too much care and feeding -- even the ones that automatically recharge themselves. The reservoir is too small so you have to dump it too often, and after a year the battery won't hold a charge and you have to replace it -- for $100. And you periodically have to take the whole thing apart because the moving parts are all gummed up with cat hair. (You have to do this even more often if you actually have a cat.

Just get a Dyson and use it. It works.

Comment Re:Maybe I'm missing something here.... (Score 2) 513

... but how do they know if a phone is being tethered?

Several possibilities:

  1. User-agent sniffing. Remedy: Change the UA string on your laptop's browser to match the one on your phone. Downside: Be ready to surf crappy "mobile-enabled" sites on your laptop.
  2. Deep packet inspection. P2P protocols etc are unlikely to be coming from your phone. Remedy: Use a VPN or an SSH tunnel.
  3. Traffic volume. Statistically higher traffic volumes suggest (but do not prove) tethering. Remedy: Use fewer bits ;)

Comment Re:"Dumbing Up" (Score 1) 539

Personally, I think that in the future "computer science" won't really be a separate field of endeavor - like walking or throwing a ball or writing a report, it'll just be something people do without spending too much time thinking about it.

Of course it will still be a separate field of endeavor. It's just misnamed. Remember what Dijkstra said: "Computer science is no more about computers than astronomy is about telescopes."

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