Bye Bye Goolge Ads with FireFox

Step 1 : Open Firefox, Go to 'Help' menu at the top-left of the browser OR hit Alt + H
Help ⇒ Troubleshooting Information ⇒ Profile Folder: Show Folder
Note. This is your profile folder containing bookmarks etc, which you can copy and move to other PC's etc

Step 2 : Create a folder named chrome

Step 3 : Create a css file named userContent.css

Step 4 : Copy the following code to the files userContent.css

 @-moz-document domain(google.com.au) {  
    #taw {  
        display:none !important;  
    }  
    #rhs_block {  
        display:none !important;  
    }  
}   

Step 5 : Restart Firefox

HTML5 Geolocation API

Lowest Supported Browsers

IE 9.0+, Firefox 3.5+, Chrome 5.0+, Safari 5.0+, Opera 10.6+, iOS Safari 3.2+, Opera Mobile 11.0+, and Android/Browser 2.1+/3.0+
For current compatibility see here http://caniuse.com/geolocation

Geolocation API Specification

http://dev.w3.org/geo/api/spec-source.html

Technology Used

Global Position System GPS
Assisted GPS (A-GPS) cell site triangulation

Example JavaScript

 //Check if browser supports W3C Geolocation API  
 if (navigator.geolocation) {  
   // single shot position request (others are repeat + cached)   
   navigator.geolocation.getCurrentPosition(successFunction, errorFunction);  
 }  
 else {  
   alert('Geolocation API is not supported by your browser.');  
 }  
 function successFunction(position) {  
   var lat = position.coords.latitude;  
   var long = position.coords.longitude;  
   alert('Your location coordinates are: Latitude:'+lat+' Longitude: '+long);  
 }  
 function errorFunction(position) {  
   alert('Error!');  
 }  

code formatted here