Nowadays almost every people using Google Chrome browser. There is a perfect opportunity that's you can make bitcoin while internet surfing, using facebook or anything like that via using Google Chrom based browser. You are using internet meanwhile that browser making bitcoin mining. You can also adjust cpu usage. Detailed informaion is below link. Don't forget to login your google gmail account after install it. Thanks to that your earning is backing up in gmail account and if you format your computer you can save earning amount back when you install that browser again.
