BlueJay, a tool by social media monitoring company BrightPlanet, shows the locations of tweeters who have left their geotagging option activated. BlueJay screenshot hide caption

itoggle caption BlueJay screenshot

Protesters line up outside City Hall in Oakland, Calif., to demonstrate against the Domain Awareness Center, a data integration system being built by the city and the Port of Oakland. Martin Kaste/NPR hide caption

itoggle caption Martin Kaste/NPR

Partiers celebrate marijuana legalization in Washington state at a pot party in Seattle earlier this month. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

Washington is the second state to adopt rules for the recreational sale of marijuana. Some entrepreneurs see state-licensed pot as a golden ticket, but other growers aren't sure applying for a license makes good business sense. Ted S. Warren/AP hide caption

itoggle caption Ted S. Warren/AP