The Starfish and the Spider organizations: Niklas Zennstrom and Skype; Craig Newmark and Craigslist. They discuss the formation of the Apache software model and how editors work on Wikipedia articles. They then discuss the starfish self-organization of participants in the Burning Man festival. American lawyer Granville Sharp's decision to defend the freedom of a slave named Jonathan Strong leads him to connect with the Quakers and to advocate for the abolition of the slave trade. The authors use Sharp's story to illustrate five foundational principles called the Five Legs: 1) Circles; 2) The Catalyst; 3) Ideology; 4) The Preexisting Network; 5) The Champion. They apply
Starfish deterrents used by the starfish to discourage predation. Others are antifoulants and supplement the pedicellariae to prevent other organisms from settling on the starfish's aboral surface. Some are alarm pheromones and escape-eliciting chemicals, the release of which trigger responses in conspecific starfish but often produce escape responses in potential prey. Research into the efficacy of these compounds for possible pharmacological or industrial use occurs worldwide. Most species of starfish are gonochorous, there being separate male and female individuals. These are usually not distinguishable externally as the gonads cannot be seen, but their sex is apparent when they spawn. Some species