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"Visualization is hot because it makes data analysis easier. Analysis with more conventional BI query and analysis tools is still hard: Nearly half (45 percent) of the 414 respondents to our InformationWeek Business Intelligence, Analytics, and Information Management Survey, conducted late last year, cited "ease-of-use challenges with complex software/less-technically savvy employees" as a barrier to adopting BI or analytics products. That was second, barely, to "data quality problems," cited by 46 percent."

As the popularity of visualizations grows, so does their range and quality. Here's a list of 20 of the best Static Visualizations, Interactive Visualizations, and Information Videos from 2011. (Note: while they are numbered for your convenience, the entries are not ranked.)