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* This will probably get caught out by clusters of people: --[[81.105.17.61]] | * This will probably get caught out by clusters of people: --[[81.105.17.61]] | ||
** We only need an approximate count | ** We only need an approximate count | ||
** The doorway is narrow so it's unlikely that | ** The doorway is narrow so it's unlikely that the steps of more than one individual will overlap, if they do - see point above | ||
** Most of the time people won't arrive in clusters | ** Most of the time people won't arrive in clusters | ||
* Can we detect some other event such as the door opening after a prolonged lights-out period to force the count to zero? --[[81.105.17.61]] | * Can we detect some other event such as the door opening after a prolonged lights-out period to force the count to zero? --[[81.105.17.61]] |
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