No warrant is necessary to seize your papers at the border either, so why would anyone think that laptops would be different?<p>And no, flash drives aren't legally exempt either.  They're just less likely to be noticed, at least for now.<p>And encryption doesn't change things.<p>One legal response to "I can't show you the content, hah hah" in your best Nelson voice is "that's okay, you can't take it into the US".<p>Technology isn't the issue and it can't be the solution.