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There's "a bona fide resurgence of interest in the Vietnam-era radical press," David Downs writes in CJR, noting the Village Voice's scanning of its archives and a new book on "the graphic design of radical press." Underground press vets Abe Peck and Todd Gitlin tell Downs how the forebears to today's alt-weeklies came and, in many cases, quickly went. "For all their flaws, they captured the period," Peck says. "They were innovative in terms of their display and in terms of the prose that wasn't jibberish. Some of it was very smart. Some of it was very weird." MORE: For about a year, Voice editors have been working their way through old issues of the paper, posting excerpts on a daily basis. They're now up to Sept. 1962.

Google will begin showing ads today to web users based on their previous online activities -- a practice known as behavioral targeting, the New York Times reports. Google will also give users the ability to see and edit the information that it has compiled about their interests. Like some of its rivals, Google also offering an option to opt out from what it calls "interest-based advertising."

As more consumers adopt the use of smartphones for web browsing, the digital marketing industry is developing new ways to serve highly tailored ads to users, the New York Times reports. Mobile users can be sorted by demographic makeup and even by income; if the user downloads an application that uses a GPS tracker (like Urban Spoon), then there is potential for ads to be served based on exact location and travel patterns as well. Some privacy advocates have expressed concerns about the tracking, but the Times notes that "as long as advertisers don't use personally identifiable information, there is no current regulation or law" against such tracking.