A spack is a special purpose acquisition company. They raise capital, you put it in a trust and then that manager will go out and search for a company. And so that there's approximately thirty billion dollars worth of spack capital in the market right now. Three d printing. What does jaca know about three dy printing? I know nothing. All i know is that rick fullop is one of the great human beings i've met in my life as a human being, as a technologist and as a leader of companies. He has raised the quality of the people that are doing it. You have people like mark's data dragoneer, whois extremely high quality a...