Simply put, it's data that has errors or mistakes, or it's incomplete in some way. And 30% of marketing and sales data is totally unusable, according to an infographic released by Umbel. Dirty data ...

Data can drive better marketing strategies and help make content more authoritative. However, when data is interpreted incorrectly, it can lead marketers astray. An infographic (below) from Geckoboard ...

Here's an example of an infographic about social ... These citations won't be tied to individual elements of data within the infographic — creators seem to abhor footnotes for whatever reason ...