Exclusive: 4chan founder Christopher Poole (a.k.a. Moot) is announcing a round of funding today for his new startup, Canvas. Union Square Ventures led a $3 million series A round of funding, with all of the company's previous angel investors participating, including SV Angel, Lerer Ventures (who led Canvas' seed round), Andreessen Horowitz, Founder Collective, and and Joshua Schachter.