So why is that? How can a software be smart? It is not the software itself that is smart. Rather it is you who is smart, as you provide CPU power to the community, that wasn't used so far.

Putting unused resources to work

Think of it this way: You have unused resources in your PC (RAM, CPU) and you want them to do something useful. That can easily be done with a few mouse clicks and the vSwarm Client. That's why vSwarm is smart.