Ratings service Nielsen is starting to replace its traditional paper diaries with electronic devices it has developed to measure local TV viewership. Nielsen’s diary-based system, which has been in place in varied formats for at least 60 years, will eventually be retired. To start, the dismantling will affect 14 of the 154 markets in which hand-written viewing diaries are still used to collect data. The new devices will “listen” to the audio portion of shows that are being viewed by consumers. Continue reading Nielsen is Finally Going Electronic, Diaries on Their Way Out