Rerendering meteor.js on window resize?

Change some session value when resizing the window, and then just have the template listen for that change:

<template name="body">
  {{touch}}
</template>

Template.body.touch = function() {
  return Session.get("touch");
}

Meteor.startup(function() {
  $(window).resize(function(evt) {
    Session.set("touch", new Date());
  });
});