I first ran across what's now called camel case back in the 90's, when it was supposedly invented by a Hungarian Microsoft programmer who would put the type of a variable in lower case and the name of it in upper, as in twatBoris. With a nod to Polish notation they called it Hungarian notation, which is how I knew it until now. A couple of years after I saw it, companies began running their names together, but since e.g. the Harper bit of Harper Collins got p'ed off at being minuscule so it became HarperCollins.
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Anyway, wandering the fetid feeds of Netflux just now I saw a film hight Pentaverate in their Upcoming Repulsions backwater. Had a gander at the trailer: apparently it's about a secret society formed by five sages in the distant past. Illiterate sods these producers are: if it's 5 blokes (and it is) then it should be Pentavirate and since vir is Latin it should then be Quintavirate. Honestly, what do they teach them in school these days? What's that? How to strip down and reassemble an AR-15? One is not surprised. And one will not be watching. No bloody wonder they're losing members by the boatload.