Even though the two most popular social networks to emerge in the past few years (Instagram and Pinterest) revolve around visual content, there isn't much data about what content performs best on these platforms. Because Instagram and Pinterest revolve around visual (not textual) content and their APIs are difficult to access, it can be challenging to research these networks.

You may have caught wind of some of the announcements coming out of the Google I/O conference over the past couple of days. And while we made some high-level observations here yesterday about how this year's emphasis seems to be on context, there was one announcement we thought deserved more of our attention: the complete redesign of Google+.

The only certainty in the SEO world -- or, really, the digital marketing world -- is change. And over the past two years, we have seen a whole lot of it. Both Google Panda & Penguin have severely disrupted what works for search marketers, leaving many rather confused about what they should be doing to attract more organic traffic. And not only that; it has left many unsure which best practices may now actually actively harm their organic search strategy.