U.S. Commerce Dept. @CommerceGov
Learn to do market research as an inventor or entrepreneur at Invention-Con 2020, coming free and online August 20-22. Slots are limited, so register early for #InventionCon: https://t.co/nFGnPi5lnr https://t.co/cdVuycDWIW — PolitiTweet.org