There is a direct correlation between time spent on-boarding and the value of the meeting - the more time users spend in pre-event training, the fewer technical issues arise during the actual event.

入职培训时间和会议价值有直接关系——用户花费在会前培训的时间越多，实际活动期间产生的问题也就越少。

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It could undermine the US's PreCheck system which randomly decides which frequent fliers can skip part of the pre-boarding security process.

BBC: Boarding pass barcodes 'can be read by smartphones'