Looking back to data, we can see if the consequences are plausible; looking forward to theory, we can see if general principles are suggested.

If there is to be a competition, there must be some basis for resolving it. It is also clear that the competition should be experienced based.

Unwrapping occurs when the "solution" is explicitly built into the program from the start.

From the point of view of physics, it is a miracle that [seven million New Yorkers are fed each day] without any control mechanism other than sheer capitalism.

The multiplier effect is a major feature of networks and flows. It arises regardless of the particular nature of the resource, be it goods, money, or messages.

Particular individuals do not recur, but their building blocks do.

When a new building block is discovered, the result is usually a range of innovations.