If Buffett had the current TA and charting technologies available to him when he was starting out, he would have almost certainly used them. Same with Graham. They needed to find a niche, and went with the extreme value 'last puff cigar butt' route. But if the technology existed back then, Graham would have likely become a computerized trading maven.
The lowly cigar butt approach they embraced shows how 'resourceful' (and desperate) these guys were to find an unexploited niche. Cigar butt investing is about as parasitical as it gets - an aspect of Buffett that the throngs of adoring fans gloss over these days. Beneath the folksy veneer the guy is a shark, as is Munger.
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