I found out during high school that I couldn't do Calculus while stoned; it was something I had to work around back then. Eight hours of sleep would clear it right out... Not so much a problem anymore; and I still do Calculus daily.
Well, if you'd lay off the cannabis, maybe you'd finally pass calculus
Basically, a minimal PC that you would plug into all the I/O hardware, so that you could bring it anywhere, plug it into someone else's hardware, always have all your files and programs there.
This is what I want in my phone (in addition, or course, to the phone actually working as a phone)
Knowing the geology is good; but I'd like to see us work on effective ways to use that knowledge.
In this case, it's easy. Don't build (or buy a building) on or immediately beneath a slippery slope.