Wow, from headline thought this'd be a one-note joke, & thus kinda dumb.<p>But trying actual mechanics I now see it as "ha, ha, but serious" – a fun little illustration of the different contours of binary-strings vs words, with a minigame of in-the-head decimal-binary conversion. Bravo! For people at a certain stage of learning computer science, it's perfect.<p>Love the FAQ too. (Sp: 'tommorow` -> `tomorrow`.)<p>Further along the joke/idea, you could add:<p>• a timer, which starts on 1st guess, for an extra competitive dimension.<p>• a 'random guess' button (as in Absurdle), so people don't start with the superficially-easiest-to-reason-from `0` or `255` guesses every time – & if deterministically pseudorandom per day, everyone who starts with the same 'random' guess could still compare timings. (I'd instinctively started with the same serial number as today's puzzle, just in case that was part of the joke. But the serial number could be the 'random' 1st guess!)<p>• a 'hard mode', ha-ha<p>Potential advanced variants:<p>• 16-, 32-, & 64-bit versions – 'Binarywordle', 'Longle', 'Longlongle', etc – join the 21st Century!<p>• 'Hammle', which somehow mixes in either a hamming-weight hint or guess-requirement, of either the target-number or some product of guess & target<p>• 'Bitwisle', which displays a randomly-chosen logic-operator over each column, & the hints returned in that slot aren't mastermind-style but some other bitwise combo of guess & target. ('advanced bitwisle': user has to figure out the operators, too; 'super bitwisle': hint squares are produced by varied mixed-operations on nearby answer-bits - any "Rocky's Boots" fans out there?)<p>• 'Noisle', which gives hints with some error-rate, either fixed or also part-of-the-game to estimate - maybe there's a parity/checksum bit in the message, or hints, too.<p>Thanks!