3 minute talk: MathML status

Brian Kardell gave a lightening talk at BlinkOn last week. For members of
this list who haven't been participated in the calls/read the minutes, this
is amazing amount of material delivered in just 3 minutes (35 slides!).

Check it out on Brian's twitter feed
<https://twitter.com/briankardell/status/1196891010590228484?s=20>, or view
directly on youtube
<https://www.youtube.com/watch?v=dJmWLQn9g2A&feature=youtu.be&start=82&end=265&autoplay=1>
.

    Neil