An appropriately rapid post this one, just to throw the subject open for a wider debate: is the succinct answer to Alexey's request for rapidplay tips here ("My tip: Botvinnik didn't play lightning chess and neither do I") the whole story? Didn't both Fischer and Capablanca each play thousands of blitz games, to enhance their pattern recognition abilities, in today's parlance? Doesn't blitz provide good opening practice - or does it just teach you to be casual?
You tell me. Right now I've got to rush off, though.