FLORIDA TODAY - July 8 - Zach Marks (13 years old) is the brains and creative genius behind Grom Social, a networking site for kids. About a year-and-a-half after launching, the site has ~70K members in 199 countries. Grom Social has a staff of 16 and a board of advisers. The new president is the former COO of Victoria’s Secret. Animated characters deliver positive messages on the site. Also, live 24-7 monitoring means site members will get real-time feedback about things like why it’s bad to post their address or other personal information online.