I think that's pretty much what the article said: "So, why no second hardware startups? The most likely reason is probably the obvious one: after spending a lo

I think that's pretty much what the article said: "So, why no second hardware startups? The most likely reason is probably the obvious one: after spending a lot of time in software, it’s hard to go learn a whole new field, especially if you’re already rich and don’t have to work to pay bills."