This week, Walt and Nilay celebrate one year of podcasting together on Ctrl-Walt-Delete by discussing Elon Musk's plan to move humanity to Mars — and all the unanswered questions that remain after Musk's dazzling presentation.

Walt's column this week took a look at Parallels 12 as a way to run Windows 10 and macOS Sierra simultaneously on Macs new and old, so they touch on that and compare it to Boot Camp. That leads to a discussion on the hardware that Microsoft, Apple, and others are putting forward to showcase these operating systems, with a focus on HP's new Spectre laptop.

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