On November 14, 2006, DeviantArt introduced the option to submit their works under Creative Commons licenses giving the artists the right to choose how their works can be used.[13] A Creative Commons license is one of several public copyright licenses that allow the distribution of copyrighted works. On September 30, 2007, a film category was added to DeviantArt, allowing artists to upload videos. An artist and other viewers can add annotations to sections of the film, giving comments or critiques to the artist about a particular moment in the film.[14] In 2007, DeviantArt received $3.5 million in Series A (first round) funding from undisclosed investors,[15] and in 2013, it received $10 million in Series B funding.[citation needed]