2043
Reddit's API protest just got even more NSFW
(mashable.com)
This is a most excellent place for technology news and articles.
You can train mice or pigeons to hit a button for reward, but the button has to dispense reward pretty much 100%. Once they're trained, you can dial down the reward - 50%, 25%...1% - and they'll keep mashing that button, doing work for free. Human buttons and rewards may be more complicated, but it's the same thing.