Nielsen Holdingswill now offer measurements for FacebookInc.'s Instant Articles with Digital Content Ratings.
Facebook announced during its April 12 F8 developer conferencethat Nielsen would collaborate on the measurement.
The ratings include tracking audiences on desktop, mobile devicesand tablets. In the future, the ratings service will also measure audio content,audience viewing on game consoles and over-the-top devices. The service is availableto publishers that use the Instant Article platform, which Facebook recently up to all publishers.