[mark-r]

Before the post title was changed it contained a question, "any idea how its hardware works?" That's where my comment was directed.

[SiftedTech]

I haven't changed my question - don't know why it's been edited or how?

[yorwba]

The guidelines admonish us to "...please use the original title, unless it is misleading or linkbait; don't editorialize." https://news.ycombinator.com/newsguidelines.html