Seth Godin has some interesting commentary regarding recent anti-terrorism related activities in UK.
When you need an additional 90 minutes, can’t bring your laptop (or even a book on some routes) and can’t have a bottle of water, the calculus for most trips is fundamentally changed.
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The prevalance of online video, constant skype connections and the multiple threads of data we get online, combined with the enormous overhead that flying now brings might just change the story for a long time to come.