Apple News App Is Off to a Rocky Start 

Since it launched last September, Apple Inc.’s News app has attracted more than 100 publishing partners world-wide hoping to capitalize on the growing consumption of news on mobile devices. Apple’s Eddy Cue said 40 million people have used its News app. There is one major problem: Neither media companies nor Apple know how many people are reading.

Source: Apple News App Is Off to a Rocky Start – WSJ