In a story March 11 about the growing use of digital ads and social messaging in political campaigns, The Associated Press misidentified two tools that are designed to increase transparency. The correct names are Who Targets Me and ProPublica's Political Ad Collector.
A corrected version of the story is below:
Digital ads, social media hide political campaign messaging
Online political ads, social messaging and even false stories that can be targeted to highly specific groups of voters make it far more difficult for journalists to cover political campaigns
One of a package of stories marking Sunshine Week, an annual celebration of access to public...