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 Invasive Species Specialist Group's list of the world's 100 worst invasive species. Starfish may be preyed on by conspecifics, other starfish species, tritons, crabs, fish, gulls and sea otters. Their first lines of defence are the saponins present in their body walls, which have unpleasant flavours. Some starfish such as "Astropecten polyacanthus" also include powerful toxins such as tetrodotoxin among their chemical armoury, and the slime star can ooze out large quantities of repellent mucus. They also have body armour in the form of hard plates and spines. The crown-of-thorns starfish is particularly unattractive to potential predators, being heavily defended