"Schools are slowly becoming extremely reliant on a few large companies’ entire technological stacks in order to operate. In turn, these stacks are reshaping what schooling is and could be, and exercising unaccountable control over students, teachers, administrators and content providers alike".
This worries me quite a lot, actually. Read the whole essay. https://educationdatafutures.digitalfuturescommission.org.uk/essays/competing-interests-in-education-data/schools-must-resist-big-edtech
(via @garyackerman)