More Social Media Use Means More Email Use

Nielsen set out to prove that social media use put a significant dent into email use, assuming that the more time people spent on social networks, the less time they were likely to spend using email. It didn't quite work out that way in the firm's experiment however.
Nielsen explains its methodology:

We decided to churn some quick data to test our hypothesis that “Consumption of social media decreases email use.” First, we broke the online population into four groups. TheSource: WebPro News RSS Feed