You could also add "the wearable computer" into that. A world patented idea with a public company (xybernaut) with a huckster as a president, his brother (an MD), death spiral financing, shareholders who absolutely thought it was a sure thing (one poor and VERY prominent shareholder even left his wife, skipped the country to Costa Rica because he mortgaged the house and maxed the credit cards to buy in). Not that that has anything to do with PTSC, except of course it was the darling of Agoracom and had rabid posters defending the company even when they went bankrupt and the president/ceo was arrested for fraud. Oh ya, the other thing in common was "the patents"

Caveat emptor

(I) C. W.