Of spiders and starfish

I recently heard someone use this metaphor for the first time, and found it really interesting. In essense, spiders and starfish may look alike, both being multi-legged creatures, but upon investigation prove to be very different.  Cut a leg off a spider, and you get a slightly disabled seven-legged (less effective) creature; cut off its head and you have a dead spider. In contrast, if you cut off the arm of a starfish, it will grow a new one. Even [...]