The TOEFL iBT test, delivered via the internet, measures reading, listening, speaking and writing skills. It is offered more than 50 times a year and is administered online at testing sites around the world. The TOEFL PBT test, which has been discontinued, was a paper-and-pencil test that measured reading, listening, grammar and writing skills and was offered only in locations where testing via the internet is not available. The revised TOEFL Paper-delivered Test, which replaced the TOEFL PBT test, measures reading, listening and writing. There is no speaking component because of the technical requirements of capturing spoken responses.