Twitter founder Biz Stone launches Jelly (again) as a search engine

Remember Jelly, the question and answer app founded by Twitter cofounder Biz Stone? It's back.  After announcing a closed beta earlier this year, Stone has officially relaunched Jelly, which has been given a total redesign.  SEE ALSO: You're not ready for that Jelly app that Twitter's co-founder is bringing back Once again, Stone is positioning Jelly as a human-powered search engine, though he readily admits there is "a bit of AI" involved as well.  "But all this science is in ser