NeilFraser

The reference implementation is MobWrite: https://code.google.com/archive/p/google-mobwrite/

The project got put to one side when Google Code shut down, but I dusted it off last month and everything still works.

Sorry, fixed. We got an unexpected avalanche of interest overnight.

Correct, you should see the looks on non-programmers' faces when you tell them that the first element in a Java list is #0, the second is #1, etc. It's approximately the same look as you see on programmers' faces when you tell them that the first element in a Blockly list is #1, the second is #2, etc.

You win the prize for most impressive Blockly program yet. Looking forward to what you will write once we get procedures landed. -- The Blockly Team.

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Done. Thanks!

The central plot of "All the Troubles of the World" is that Multivac was predicting who was going to murder whom. In terms of crime prediction the closest Google has come is mashing up maps and crime stats to show which areas of town are problematic. Unlike Multivac, Google has no interest in being a police officer. Whereas Multivac was built by the government, Google was built by a corporation.