So Google is now part of Alphabet, a new holding company that will manage Google and all of its other products. Why is the new company called Alphabet? Google/Alphabet CEO Larry Page says it’s because Alphabet means a “collection of letters that represent language, one of humanity’s most important innovations, and is the core of how we index with Google search!” But the domain name for Alphabet is abc.xyz — not alphabet.com (which is currently getting hammered with traffic it seems).
Cofactor is a large, structured listing of people, places, and things. Here you can find the description of each topic.