Dear all, The slides and videos from the Category Theory Octoberfest that was held this year at JHU are now available through the website: ct-octoberfest.github.io Thanks again to all the speakers who helped make this meeting so great, and for their agreement to freely disseminate the recordings of their talks (and slides). tslil, on behalf of the organisers [For admin and other information see: http://www.mta.ca/~cat-dist/ ]