http://m.cacm.acm.org/magazines/2016/7/204032-why-google-stores-billions-of-lines-of-code-in-a-single-repository/fulltext?mobile=true http://m.cacm.acm.org/maga

http://m.cacm.acm.org/magazines/2016/7/204032-why-google-stores-billions-of-lines-of-code-in-a-single-repository/fulltext?mobile=true http://m.cacm.acm.org/magazines/2016/7/204032-why-google-sto... has a lot of answers (was published last summer).