I worked for a client that used this exact method, plus comments in the source to indicate who changed the code, with old code commented out. I was one of sever

I worked for a client that used this exact method, plus comments in the source to indicate who changed the code, with old code commented out. I was one of several developers working remotely. It was a mess. When I suggested version control, the reply was "We're not big enough." Sigh.