[xte]

As an admin I will never ever put ssh private keys on any kind of mobile crap. I have no control on it, I can't trust it in any way.

However yes, I like photograph not only to fix for future reference something but also to document what I'm doing, and also other kind of logging, sometimes useful if something goes wrong not because of me but someone like to say it's because of me...

And for that a traditional pocket voice recorder is really good, plus eventual camera on it :-)