series of acts, jugglers, musicians, 15-minute acts, maybe 20 minutes, and there's this fellow, b.f. keith, he's the showman. he's a new hampshire boy. eventually, he starts these vaudeville theaters. at one of them in boston i think 14% of the entire population of boston went through this one theater, conservative estimate. keith is a showman, he's trying to fill his theater all day long. it empties out, it fills, empties out, it fills, driving him nuts. he says let's run the show continuously. you can sit there all day, if you want -- only 2% in the audience did -- but this is popular. people would stay. but to get people to leave, there'd be acts that are good enough of to see once -- enough to see once but not twice. and those acts are called chasers. and their purpose is to turn over the theaters. so they would spend their whole careers knowing they're going to be seeing people stand up, seats close and walk out. but this idea of the continuous is a very industrial idea. production isen continual, election cycles are continual. we recognize this today. so continuous vaudeville -- that