The admissions by Trinity Mirror came while the London Metropolitan Police investigation into the mobile phone hacking allegations was ongoing. In February 2018, Trinity Mirror acquired the Daily Express, and other publishing property of Northern & Shell, in a deal value £126.7 million.
When many editors lead to one topic or set of matters, systemic bias may occur, thanks to the demographic backgrounds of the editors. Editors of regular reference is effective such as the Encyclopædia Britannica have questioned the project's utility and status as an encyclopedia. Since it has terabytes of disk area, it can have far extra subject areas than can be protected by any printed encyclopedia.