a16z cofounders Marc Andreessen and Ben Horowitz talk  tech trends, company building, and more live on Clubhouse every Monday, 7pm PT. In this conversation:How can VCs be both investors and marketing/growth engines for companies they invest in?  How has a16z approached this and curating talent on Clubhouse?Are SPACs  the new IPO? What would you say to a founder who pitched you a plan to grow as fast as they can with the goal of selling to a SPAC in 3-5 years?If a startup is profitably bootstrapping, does it make sense to raise VC money?How do you fire executives the right way, especially when they own a percent of the companyCan you fire an investor who doesn't align with your company mission or direction?What tips, tricks, and hacks can help founders maintain their mental health?