VISIT CNBC.COMX Entrepreneurs EntrepreneursHow billionaire 'Shark Tank' star Mark Cuban regulates his kids’ use of technology: ‘I'm sneaky as can be’ Catherine Clifford 1 Hour Ago CNBC.com Photo by Jeff Kravitz Billionaire Mark Cuban with his wife, Tiffany Stewart (L), and kids, Alyssa Cuban, Alexis Sofia Cuban, and Jake Cuban (L to R). SHARES While...