On the one side we have very huge corporations that have a (near) monopoly on a sector (big, small or niche). On the other side we have many small players "figh

On the one side we have very huge corporations that have a (near) monopoly on a sector (big, small or niche). On the other side we have many small players "fighting" [not the best word] for the remaining niches ...the rest. And they dream to be the next big player by betting on a raising sector (new technology) and sometimes disrupt old players that are too slow to adapt. Or they fix it with cash. Absolute monopoly is often bad (for everyone except a few (shareholders)), so anything else (fragmention) is better.