by Suff » 22 Dec 2021, 18:41
Seems simple to me. You have 1,000 matchsticks at the beginning of the month. Most deals, If you don't use all your matchsticks, take away the excess and give you 1,000 new matchsticks.
Some deals, however, give you 1,000 matchsticks every month but if you don't use them all, they let you keep the old ones and give you a full new set every month.
Nothing to do with on off switches at all...
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Those who understand Binary and those who do not.