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If you regularly travel with devices with open ports, dust and fluff will get into the ports. One day that will cause a problem. If you carry your iphone in your jeans pocket a lot, go get a wooden cocktail stick and dig out the gunk in your port. Now imagine a small metal sliver gets lodged in one of those ports... this **** happens, and as someone who traveled a lot with my MBPs I would have liked this option, and I'd love idevice solutions too...

Dunno how that's happening to you.

I've done bouts of regular travel over my career, with various computers with open ports, and have never had such a problem.

... also pretty regularly chat with our company's laptop support folks since I'm also in the IT group and this isn't something they see from our users, not even the sales folks who are 100% travel. Plenty of coffee-in-keyboards and other stuff. Dust in ports just isn't a thing for most folks.
 
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