An excellent variety of resources to improve and practice your German language skills, as well as learn about the country's politics, culture and society through podcasts and media.
Deutsche Welle
Robust online interactive tool to learn German.
DuoLingo
Bite-sized daily German lessons.
BBC - Learn German
Reference for free online resources.
Jojo Sucht das Glück
DW's Telenova profiling a Brazilian woman arriving in Cologne. Very entertaining.
Learn German at Work for Post-Beginners 1: Deutsch am Arbeitsplat
(The longest word in German? Rindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz, a.k.a. "beef labeling regulation and delegation of supervision law", abbreviated to ReÜAÜG for convenience!)