| 摘要 |
A computing apparatus is configured to store an offer provided to a plurality of users. The offer has a set of requirements to be met for a benefit, such as one or more purchase requirements, and a presence requirement formulated based on a time period, a geographic region, and a user limit. A user is determined to meet the presence requirement when the user is identified to be within the geographic region at a time during the time period before the current number of users who meet the presence requirement exceeds the user limit. The computing apparatus is configured to identify users who meet the presence requirement and monitor transactions in the financial payment accounts of such users to identify accounts that satisfy the purchase requirements, and configured to provide the benefit of the offer to the respective accounts that satisfy the set of requirements of the offer.
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