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SO ENDS this contemplation of the confounding Cambrian explosion. Next weekend we consider the Great Unconformity, a period directly before the Cambrian when geologist believe that 3-5 vertical (yes, vertical) kilometers of the earth’s surface globally was erased. This could explain the missing fossil record and make the Cambrian explosion an optical illusion. Explaining the Cambrian has certainly stretched all story-telling skills. View in LinkedIn

REGULATORY VS STRUCTURAL GENES. "With each new variation, there is an alteration in the relation between the regulatory genes and the so-called structural genes that actually produce the proteins and eventually the lipids and other building blocks that make up an organism." https://lnkd.in/dx4KvtT View in LinkedIn

REGULATORY GENE EXPANSION. "What seems clear is that morphological evolution of body plans, such as is documented by Neoproterozoic and Cambrian fossils, involved increases in the complexity of both the body plans and the regulatory systems that specified them." https://lnkd.in/dx4KvtT View in LinkedIn

BODY PLAN COMPLEXITY. "Many different body plans can be specified by similar genes early within a cascade, whereas morphological complexity can be achieved by regulatory evolution in many parts of the cascade." https://lnkd.in/dx4KvtT View in LinkedIn

SAME TRIGGERS. "Mammals and arthropods both display a striking diversity of morphologies within each of their body plans, but this diversity is generated chiefly by genes active after the Hox-cluster genes have done their work." https://lnkd.in/dx4KvtT View in LinkedIn

NEW COUNTRY. "Hi5 is another major social network, established in 2003 and currently boasting more than 60 million active members according to their own claims." https://lnkd.in/gJ_sWNx View in LinkedIn

DISRUPTIVE innovation is less common than incremental innovation, cobbled from pre-existing pieces to achieve greater efficiency. True in nature. True in technology. View in LinkedIn

"FRIENDSTER was really the first modern, general social network. Founded in 2002, Friendster is still a very active social network, with over 90 million registered users and 60+ million unique visitors each month. Most of Friendster’s traffic comes from Asia (90% of it)." https://lnkd.in/gJ_sWNx View in LinkedIn

ON SHOULDERS OF GIANTS. "Much work on technological change agrees that the recombination of new and existing technological capabilities is one of the principal sources of technological novelty." As analyzed by patent code evolution. https://lnkd.in/dp-phxx View in LinkedIn

CHANGING BEHAVIORS. "Globally, time spent on social networking sites has surpassed time spent in email...and the number of social networking users surpassed the number of email users in July 2009." https://lnkd.in/dsHe6fk View in LinkedIn