Download your WhatsApp Contacts

Learn how to easily download the list of names, phone numbers and profile pictures of all your WhatsApp contacts to your desktop with a simple bookmarklet.

How to Record Screencast Videos on Android

This step-by-step guide explains how to record screencast videos on your Android phone or tablet. You do not even have to root the device for screencasting.

Run a Poll on Twitter with Google Forms

You can run a quick poll or conduct a quiz on Twitter using Google Forms. The poll is embedded in your tweet and people can answer without leaving Twitter.