Should Digital Take Over The Gaming Industry Completely

The last couple of years digital purchases become more and more popular, looking back to the point where digital purchases were introduced for the first time they made very big steps but will they keep up the with the same pace and finally take over the industry completely? To answer this question we must look back and see why digital purchases became popular in the first place,basically we need to compare physical and digital purchases and see the advantages and disadvantages of each version.