At year end, we like to look back and see WHAT the most popular trends and topics of the year were. An equally interesting topic for markers is HOW popularity and trends can be measured using the viral coefficient.
Google Zeitgeist 2009 can tell you that the most discussed and TV shows in 2009 were Glee, Bones and and Fringe. It can tell you the most popular Twitter accounts belong to Miley Cyrus, Lance Armstrong, and Taylor Swift. It can tell you that the most sought after concert tickets were for Taylor Swift, the Jonas Brothers, and U2.
What’s popular? What’s increasing or decreasing in popularity? How sustainable is popularity when we experience it?For these answers, we turn to the viral coefficient, which measures the momentum behind ’word of mouth’, referral and acquisition activity.


When most executives see a pile of wood shavings on the break room floor, they see a job for the janitor, but marketer George Wright from Blendtec saw a social media opportunity.
There are more reasons than ever to replace Internet Explorer (Windows) and Safari (OSX) as your default web browsers. Two of the best reasons? Performance and personality.
