The last two times I attended conferences outside the US, I spoke with several people who brought "burner laptops" with them. In one case, the people involved wanted to avoid issues surrounding intrusive border searches, and only put exactly what they needed on the hard drive just in case. In the other case, they were trying to avoid the uncertainty of the US security position on laptops. The main concern here is that the Trump administration will suddenly announce a rule change while they are abroad, leaving them with no choice but to risk checking their laptops (like the last time).
The complete craziness of putting a whole bunch of lithium battery containing "security threats" in one place in the cargo hold aside, there is no way I would be happy putting my expensive main work machine into checked luggage of any kind. These burner laptops are relatively cheap ($200-300), so if they are lost or stolen while in the cargo hold, it is not such a huge loss. Plus, it is possible to set them up with a limited set of data, so there are fewer security/privacy concerns with searches or lost hard drives. I imagine just the uncertainty of it all will push more people (especially those who work with sensitive data) towards cloud-based storage solutions.
If I didn't need to work while traveling, I'd probably consider just presenting off my phone. There have been a few folks doing that almost since the dawn of smart phones, so I know it is possible. I don't really want to spend grant money on a burner laptop (also the justification as not general purpose would be interesting). I definitely don't want to spend my own money on a mostly useless machine. Just another reason why I really hate flying these days.
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