Obsolete Text books -- Spontaneous, course-generated content

Do you think Text books are going to ever be a thing of the past? Will dynamic or spontaneous course generated content a la Web 2.0 & Learning 2.0 concepts such as wiki's, blogs, or other content management platforms replace traditional collective vetted scholarly course content?
Will the course content become more relevant to students? Discuss these and other Learning 2.0 and Web 2.0 solution ideas at the e-Learning Place.