During our CrossFit workouts, about 30%-50% of the guys and girls all ditch their shirts. Yes, the women are in sports bras, though the effect is similar and very much the norm.

Self-decapitation? Did he slip and fall on a bone saw?

When thousands of people report an email as spam to be filtered in future, the servers learn that the account sending it may be spam, thus proactively filtering it. Reporting spam is supposed to result in less spam in the future!