IVIV (0) "Under the paving stones, the beach!"

[Doug Millison]

"Under the paving stones, the beach!"
--GRAFFITO, PARIS, MAY 1968

On the off chance that nobody has mentioned it yet, I observe that the  
beach beneath the paving stones will probably be sand.

"Commonly found in sand, silicon is the basic material for  
semiconductors."
--common knowledge, see http://www.sciencedaily.com/releases/1998/12/981222080907.htm 
  for a Googled example

…thus fundamental to digital technology and a computerized future.