Ivan Seidenberg

A tiered data plan is in the works for Verizon customers, potentially doing away with the unlimited data plans that new customers currently enjoy. CEO Ivan Seidenberg said Thursday the nation's largest carrier may introduce its tiered data plan in the next four to six months.

Early Monday, telecom giant Verizon Communications (VZ) named Lowell McAdam president and COO, which would put him in line to eventually succeed longtime CEO Ivan Seidenberg. McAdam currently serves as the CEO of Verizon Wireless, a joint venture between the U.S. company and Vodafone.

CEOs who cut the most jobs during the recession earned an average of 42% more than their S&P 500 peers, according to a study by the Institute for Policy Studies. Top execs at the 50 firms that laid off the most workers since the economic crisis began averaged nearly $12 million in 2009.