Flip
... that the classroom video platform Flip was made free-to-use when acquired by Microsoft in 2018?
... that the classroom video platform <b id="mwAVU"><a href="./Flip_(software)" id="mwAVY" rel="mw:WikiLink" title="Flip (software)">Flip</a></b> was made free-to-use when acquired by Microsoft in 2018?