Conversation so far:
What was a business venture Kanye West started?
Kanye West founded the record label and production company GOOD Music in 2004, in conjunction with Sony BMG.
Was this GOOD Music record label successful?
GOOD Music has released ten albums certified gold or higher by the Recording Industry Association of America (RIAA).
What was another business venture Kanye West started?
In August 2008, Kanye West revealed plans to open 10 Fatburger restaurants in the Chicago area; His company, KW Foods LLC, bought the rights to the chain in Chicago.
Were these Kanye West's Fatburger restaurants successful?
Ultimately, in 2009, only two locations opened. In February 2011, Kanye West shut down the Fatburger located in Orland Park. Later that year, the remaining Beverly location also was shuttered.

Question: What was his next business venture?
Self-contained rewrite: What was Kanye West's next business venture after Fatburger?