Free 3D Models as the Way to Get More Traffic

Yeah, yeah, yeah... Well let's talk about free 3D models. How do you think what is the purpose of such giveaways for many design companies? Of course it is obviously that you can attract amny clients and possible buers with such promos but may be not because freebie is good but spent money is another case. Anyway such promos are great for web users because you can get something good for free.