Our business uses Echosign for electronic signatures.

The trend is for software to be delivered electronically and not in a package of atoms.  

This is cheaper, at least in the short run, than user-rekeyable locks from Kwikset, Schlage and possibly other manufacturers.For more money, you could invest in electronic keypad locks and even some that allow remote control.

They take the 9V batteries out of their smoke detectors to use in their latest electronic toy.

Once I receive any documents via email I will print them out for our hardcopy filing system and put them in our electronic filing system which we share via dropbox.

You stated: "despite sometimes being late on his half of the rent".I don't know about the rest of you, but I demand rent in full in 1 form of payment (1 check, 1 electronic bank transfer, 1 money order, etc...).

Then I take the contacts that I want out of Aweber (I do newsletters & auto responders to all of them)and put the important one's into Google contacts.

Everything is automated, contracts can be electronically signed, essentially paperless.

I got an incomplete electronic file with purchase.

Bad checks, lates, and they pick up the legal notices and publish it the newsletter.