My crowd is very different from most people's, so I prefer not to generalize from it and instead focus on surveys when I want to know whether stimulant use is widespread particularly among high-performers.
Well, what's "widespread" in your book, 10% ?
For an illegal, expensive, and according to many people immoral, practice, I'd say >10% is widespread, yes.
“It cannot be gotten for gold, neither shall silver be weighed for the price thereof. / It cannot be valued with the gold of Ophir, with the precious onyx, nor the sapphire. / The gold and the crystal cannot equal it: and the exchange of it shall not be for vessels of fine gold. / No mention shall be made of coral, or of pearls: for the price of wisdom is above rubies.”
Another 477 days are past, so what have I been up to? In roughly topical & chronological order, here are some major additions to
gwern.net:Statistics:
QS:
Black-markets:
Bitcoin:
Tech:
Literature/fiction
Sand, on:
compiled & expanded anthology of my poems
Misc:
Site:
I began A/B testing my site design to try to improve readability:
I began a newsletter/mailing-list; the back-issues are online: