The document is a letter from Andreessen Horowitz and Cowen and Company to the SEC regarding proposed changes to Regulation A, advocating for the inclusion of micro-cap companies and foreign private issuers to access capital markets. They propose several key changes, including the removal of investment limitations for accredited investors, incorporation of exchange act reports for micro-cap companies, and a preemption of state blue-sky laws governing the resale of Regulation A securities. Overall, the letter emphasizes that the proposed changes would facilitate capital formation for growth companies while maintaining investor protections.