Death of the fax machine
Whenever I am being asked what my fax number is, I reply that I don't invest in outdated technology. I do not have a fax machine, you see. If it's absolutely unavoidable, I give them the direct number of my voicemail system which also handles incoming faxes, but that's it. I am sure I have been regarded as quirky on that account, but at last I am being vindicated now, and by no less prestigious a voice than the Economist's Technology Quarterly! Here is the said article (subscription required).