Question: What is the name of the American television and movie review company launched in 1998 that took their name from a practice used to show disapproval of poor stage performance and gave Jet Li's movie "Fist of Legend" a 100% rating?
Sentence (from "Rotten Tomatoes"): The company was launched in August 1998 by Senh Duong and since January 2010 has been owned by Flixster, which was, in turn, acquired in 2011 by Warner Bros.
Relevant evidence: Yes