title: Slide Title subtitle: Subtitle class: image ![Mobile vs desktop users](image.png) --- title: Agenda class: big Things we'll cover: - Bullet1 - Bullet2 - Bullet3 --- title: Today class: nobackground fill ![Many kinds of devices.](image.png) --- title: Big Title Slide class: title-slide --- title: Code Example Media Queries are sweet:

@media screen and (max-width: 640px) {
  #sidebar { display: none; }
}

--- title: Once more, with JavaScript

function isSmall() {
  return window.matchMedia("(min-device-width: ???)").matches;
}

function hasTouch() {
  return Modernizr.touch;
}

function detectFormFactor() {
  var device = DESKTOP;
  if (hasTouch()) {
    device = isSmall() ? PHONE : TABLET;
  }
  return device;
}