How can you spend $8.84 mn when you earn just $1? Ask Facebook's Zuckerberg

Facebook's board of directors believes that this investment in Mark's personal security is entirely justified

The benefits of running a large public company go well beyond paychecks and stock awards.

Take Mark Zuckerberg, who crisscrossed the US last year to attend a rodeo in Fort Worth, Texas, speak with Muslim students in Dearborn, Michigan, and fish salmon in Alaska, all part of a personal challenge to meet and talk with regular people. The cost of his personal trips on private planes added up to $1.52 million -- his highest annual tally as a public company chief executive officer -- while the expense of his personal security program rose 50 percent to $7.32 million. Facebook Inc.