Conversation so far:
What was a business venture West started?
West founded the record label and production company GOOD Music in 2004, in conjunction with Sony BMG, shortly after releasing his debut album, The College Dropout.
Was this record label successful?
GOOD Music has released ten albums certified gold or higher by the Recording Industry Association of America .
What was another business venture he started?
In August 2008, West revealed plans to open 10 Fatburger restaurants in the Chicago area.
Were these restaurants successful?
In February 2011, 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 the next business venture of West after the restaurants ?