The service also only works on Windows machines right now, since it uses Microsoft's digital rights management software to prevent users from sharing files with friends or uploading them to the internet.
The iPlayer is still in beta, but users can sign up for an invitation, and a wider release is expected this fall. Meanwhile, here's a roundup of iPlayer related news:
Seven greatest hand cannons in TV history
TV Squad previews NBC's new shows (part 1)
TV 101: How ESPN controls the world and what the other networks can learn from it
