Another large part of the site also allows users to watch and listen to most Television and Radio output live and for seven days after broadcast using the BBC iPlayer platform, which launched on 27 July 2007, and initially used peer-to-peer and DRM technology to deliver both radio and TV content of the last seven days for offline use for up to 30 days, since then video is now streamed directly. Also, through participation in the Creative Archive Licence group, bbc.co.uk allowed legal downloads of selected archive material via the internet.[158]