what to do?

[Indigo23]

Both, I believe.

[out in the cold]

'seasy, BM. J & P are one letter to the right of H & O. 'Tis code

That's why there is a mad computer called HAL in 2001 that tries to take over everything and kill everyone off (kinda).

Arnold C Clarke had fallen out with people at IBM.

Interesting trivia factoid...