The talk was good but as mentioned before the scrolling was not realy helpfull maybe just place the code snippet in the slides next time as the lines where the actual spl was used where not that many.
And i read in previous comment that the converence badge was causing interference but i actually think it wasnthe ratteling of the earrings.
A good keenote but it felt a bit slow paced and i would have the "do what mathers" part a bit more mixed in because now it felt more like a disclaimer everything you will hear the rest of the day does not mather. Nonetheless the message is an important one
Good workshop and i did like the amount of subjects that passed.
If i can give one advice it would be that you should not start the workshop with "You need this, this, this and this) but make sure people know this before the work shop so the environments are (mostly) setup.
Granted it didn't cost too much time but we were pretty lucky with the WiFi cooperating.