The main way to get to Math Notes is through the Notes app on your iPhone, iPad, or Mac. You can also access it through the ...

There’s a prominent “Install” button and app details at the bottom. Our early results are promising: portrait videos drive +7% increase in total watch time, a +9% increase in video ...

Professor Andrea Wigfield, director of the centre for loneliness studies at the University of Sheffield, said she can see these apps become the norm in the same way dating apps have become.