> "Perpetual" has a precise meaning: it lasts until it is explicitly revoked I guess this explains why the Terms of Service for some sites that host user gener

> "Perpetual" has a precise meaning: it lasts until it is explicitly revoked I guess this explains why the Terms of Service for some sites that host user generated content state that as a user you grant the company a perpetual, irrevocable license to use your content. Makes sense, thank you.