Sentence:  <WSD>Webisodes</WSD> such as the '6 beers of separation' described in the IMC Challenge at the start of the chapter are online episodes or chapters of an ongoing story. One of the best early examples is the BMW <WSD>webisode</WSD> where well-known people such as Guy Ritchie tell engaging stories involving BMW cars. 
Meaning of the word marked with <WSD> tags:  A short audio or video presentation on an Internet site.