Fabs

The term "Fabs" doesn't appear to directly correspond to any specific individual or topic in the Lex Fridman Podcast database. However, it might be a shorthand or nickname you're using. If you meant "Fabs" to refer to someone specific like Tony Fadell, an American engineer and inventor associated with Apple Inc. and Nest Labs, please let me know so I can provide relevant information. Alternatively, if "Fabs" refers to something else, please provide additional context.