Arguing that ‘the line between educational and commercial purposes may be somewhat blurry,’ Katherine Varker, Associate General Counsel for McGraw-Hill Education, asks:

Where does targeted advertising end and personalized learning begin?

via http://digital.hechingerreport.org/content/schoolprivacyzone-emerging-best-practices-for-a-contentious-issue_1301

The fact that you don’t know – or don’t care – means that I don’t want your company anywhere near my kids.