In total, directors generally spend between one and three hours a week on activities relating to their position on the Board of Directors.
LSTM + duration prediction
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另一个现实背景是：今日头条的体量早已不再增长。在短视频的长期分流下，纯资讯类产品的上限越来越清晰。与其在一个天花板已经出现的产品上继续加码，不如把长内容放进抖音，用更大的流量池重新分配注意力。
What we know after latest escalation in Pakistan-Afghanistan tensions