From a conversation on Twitter, the Laws of DH; there are likely more:
https://twitter.com/lincolnmullen/status/651156572358381568
https://twitter.com/jaheppler/status/651162875063439361
https://twitter.com/lincolnmullen/status/651191075864862720
My own rule of thumb, ‘never update anything’, expressed in Set Theory by Trent Tucker:

And from Scott,
https://twitter.com/scott_bot/status/651192514414690304
The Three Laws of Robotics probably need to be unpacked more for digital humanities, for after all, what are Asimov’s robots but really effective algorithms and code? This also puts me in mind of Cory Doctorow’s recent post on the Internet of Things that Lie. Our laws of #dh need to not just be framed for the humans amongst us…