Slideshow: Inside Facebook's lab where it tests 2,000 phones at once

Facebook can test its code on 2,000 phones at onceImage by FacebookFacebook makes thousands of changes in its code every week. Any one of them could accidentally cause Facebook software to take up more data, memory or battery life on your phone. So the company tests code on more than 2,000 phones to account for different hardware models, operating systems and network connections.To read this article in full or to leave a comment, please click here