Email Spam Costs Businesses $20.5 Billion a Year [INFOGRAPHIC]

Email spam costs businesses $20.5 billion a year -- that's about $1,934 per employee -- in decreased productivity, according to this VisibleGains infographic. Another shocking statistic: 18 percent of all received email is spam or graymail like alerts or unwanted newsletters.

To decrease the time your team spends on email, roll out these strategies on boosting email efficiency and set aside 5 minutes a day to unsubscribe from graymail and spam. For more statistics on email and modern communication, read the whole VisibleGains infographic below.