Sorry for the typos. Illegitimate. See how that works.
Nevertheless, the algo works by quickly scanning Boolean flags, which can be easily captured in a sequential array, then multi-threaded for each use case, finally threading to a factory method to piece all the pieces together into a whole informational screen or result set. This way they can target, millions of requests, simultaneously from just a single server for the consumption of the targets. The more you know.
Flags are also analog, hospitals have been known to mark paperwork with symbols for their cronies to know, who is on the butcher's block.