Thanks to Uri Shaked (https://gist.github.com/urish) Valentine's Day Message on Google - Open the attached file, copy all the text from it (or get it here) - Go to http://www.google.com/ in Google Chrome, press Ctrl+Shift+J (or on Mac ⌥⌘J). - Paste the text you copied in step 1 into the console Window

ValentinesDay.js

/* Copyright (C) 2013, Uri Shaked, GDG Tel-Aviv Lead. */
/*

- Open the attached file, copy all the text from it (or get it here)
- Go to http://www.google.com/ in Google Chrome, press Ctrl+Shift+J (or on Mac ⌥⌘J).
- Paste the text you copied in step 1 into the console Window

*/
 var jq = document.createElement("script");
 jq.setAttribute("src", "https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js");
 jq.setAttribute("type", "text/javascript");
 jq.onload = function () {
     $ = jQuery;
     function e(e, t) {
         return e + Math.random() * (t - e)
     }
     function t(t) {
         var n = "☺♥☼          GDG Tijuana";
         var r = {
             position: "absolute",
             top: 0,
             color: "hsl(" + Math.ceil(e(340, 360)) + ", 100%, " + e(30, 70) + "%)",
             left: e(0, t.width()) + "px",
             opacity: 1,
             "z-index": 50,
             "font-size": e(16, 42) + "px"
         };
         var i = $("<div />").css(r).html(n).appendTo(t).fadeIn("fast");
         var s = i.outerHeight(true);
         i.animate({
             top: t.height() - s + "px",
             opacity: 0
         }, 6e3, "linear", function () {
             i.fadeOut("fast", function () {
                 i.remove()
             })
         })
     }
     $(function () {
         setInterval(function () {
             t($("body"))
         }, 100)
     })
 };
 document.getElementsByTagName("head")[0].appendChild(jq);