Biz Stone wife founded and operate the Biz and Livia Stone Foundation, which supports education and conservation in California. Biz Stone Christopher Isaac "Biz" Stone (born March 10, 1974) is an American entrepreneur who co-founded Twitter, among other Internet-based services. His first startup was Xanga in 1999. Stone co-founded his latest venture, Jelly, with Ben Finkel. Jelly was launched in 2014 and is described as a new kind of search engine with the core assumption that for every question there is a person with the answer. Stone is Jelly’s CEO. On May 16, 2017, Biz Stone announced he is returning to Twitter
What Is and What Should Never Be and What Should Never Be" was performed live at Led Zeppelin concerts between 1969 and 1973. A live version taken from a performance at the Royal Albert Hall in 1970 can be seen on the "Led Zeppelin DVD". Another was included on disc two of the live triple album "How The West Was Won". Two more versions were included in BBC Sessions. What Is and What Should Never Be "What Is and What Should Never Be" is a song by English rock band Led Zeppelin. It was written by Jimmy Page and Robert Plant and was included as the second