Ever heard of the Temporo-Parietal Junction? No, it's not a train station, nor is it a 60's-style rock group. The TPJ, as it's also known, is the area of the brain that gets activated when we're thinking about how to share something and who to share it with. If you want to make something go viral on Facebook or Twitter, in other words, the TPJ is where you want to hit — because it lights up like a Christmas tree before we even know we're going to share something. The more activated it is, the more persuasive the share. And it doesn't necessarily have anything to do with what we think is cool ourselves.

You might expect people to be most enthusiastic and opinionated about ideas that they themselves are excited about, but this research suggests that's not the whole story. "Thinking about what appeals to others may be even more important."

you know that feeling you get when you see something on Facebook that you have to share with a specific friend? That moment when you get an image of how they're going to react when they see that news story or this kitten? That, apparently, is your TPJ working overtime.

About 42% of study participants have multiple accounts — and the percentage jumps to 61% for those between the ages of 18 and 34. The average person also manages 3.1 email addresses compared with 2.6 from last year.

Although 52% of respondents said they have considered taking a “vacation” from one or more social networks in the past year, only 24% said they will likely follow through. Why? FOMO, of course.

Email remains a workhorse for marketers: It’s cheap and reasonably effective

According to an April 2013 Economist Intelligence Unit survey of US and UK web users, email ranked as among the top outreach channel at each stage of the purchase process, from introduction, to final prepurchase assessment to post-purchase follow-up.

The greatest percentage of marketers still felt challenged to create relevant and compelling content that will really draw in recipients. This ranked as the No. 1 challenge among B2B and B2C respondents to achieving their marketing objectives, but it was also considered the most effective tactic, cited by 71% of B2B marketers and 65% of B2C marketers. If marketers can create strong content, they believe it really does work at converting consumers.