The use of ad-blocking software is growing as Internet users try to deal with the swelling number of ads delivered programmatically and the pervasive tracking of their online behavior. This growth has set alarm bells ringing within the online advertising industry, with concerns that the use of ad blockers could damage publishers' online revenues. Just last week it emerged that two groups of publishers in France are considering a lawsuit against, Eyeo GmbH, the maker of AdBlockPlus. While behavioral advertising ideally makes advertising more relevant to viewers, some people find it "creepy"; data shows that last year's revelations of the National Security Administration's attempts to track citizens online has made them warier than ever. View the full article