Abstract: The invention relates to a wind deflector device (6) of a vehicle roof (2), having a wind deflector hoop (7), which is injection molded as a hollow profile (17) by means of a fluid injection technique, and having a wind deflector net (13) fastened to the wind deflector hoop (7), wherein the wind deflector net (13) is fixedly connected to the injection molding material forming the wind deflector hoop (7) by means of an injection-molded connection (23) produced during the injection molding process, and to a mold (24) for producing a wind deflector hoop (7).

Abstract: An arrangement for a vehicle roof has a roof element designed to be coupled to the vehicle roof and to provide a predetermined functionality. The arrangement further has a thread-free film element which is formed by calendering and is coupled to the roof element such that the predetermined functionality is obtained.

Abstract: A method includes, in connection with a submission of a user's coursework in an online education course event, prompting the user to provide authentication information for a user authentication process, which includes any of (1) a social network account login authentication process, (2) comparing a geolocation of the first communication device on which the online education course is presented and a previously registered geolocation, (3) comparing the geolocation of the first communication device and a geolocation of a second communication device associated with the user, and (4) a personalized challenge-response authentication process. The method further includes comparing the authentication information received from the user to stored information associated with the user, and issuing a verified credential to the user based on the comparing and on completion of the user's coursework.