Need something efficient and long-lasting? Chromebooks, which run on Google's Chrome OS and feature its browser, are great for simple tasks, like emails, social media and web browsing. But with support for Android apps, Chromebooks are getting more sophisticated, and schools love these machines. Some of the best Chromebooks have even made our best laptops and best sub-$500 laptops lists, and here are our top picks. To learn more about the perks and limits of Chrome OS laptops, check out our Should I Buy a Chromebook? buying guide. And if you're having trouble using incognito windows, we have a guide for that too.