> This sort of elegant, mutually-exclusive data structure shows up in a couple of other products, namely Reddit and it's predecessor, HackerNews, both of which likely stem from Paul Graham's computer science background.<p>Quite the bold assertion, crediting Paul with pioneering the concept of an online message board. Author may wish to read up on what BBS software was popular way back when, as well as what inspired their creation.<p>Cool core concept of accumulating Javascript malware through tweets, though the volume of misinformation kind of.. turned me off.