OLDWICK, N.J.--(BUSINESS WIRE)--In this AMBestTV episode, Maurice R. "Hank" Greenberg, chairman and chief executive officer, Starr Insurance Companies., said China is a leading example of the growing presence of online marketing. Click on http://www.ambest.com/v.asp?v=greenberg1019 to view the entire program. Greenberg said that although insurtech is entrenched in the insurance industry, he expects many startups to fail. “I would say about 15-20% of the ones we have looked at have something to offer.…