到2010年年度，用户数上升到5百万，但每日签到只增加一倍到2百万，签到活跃率从0.5下降到0.4，同样意味着存在大量僵尸用户。
Impressive growth, yet this means check-ins per user declined from 0.5 per person to 0.4. It also suggests that many of those five million users aren't active.
到2010年年度，用户数上升到5百万，但每日签到只增加一倍到2百万，签到活跃率从0.5下降到0.4，同样意味着存在大量僵尸用户。
Impressive growth, yet this means check-ins per user declined from 0.5 per person to 0.4. It also suggests that many of those five million users aren't active.
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