Tonight at the boathouse...crypto mathematics! #iotwaterloo  @DTKitchener   @Perimeter   http://t.co/jp7avynbvA 

.  @hosehead12  Comedy is a little later tonight. 930. Still free though!

 @21Melissamurray  Absolutely! We're only selling at the door.

 @hosehead12  Yes! We're starting a bit later, closer to 9pm!