Shares of Limelight (NASDAQ:LLNW) have rebounded after a less-than-stellar stock market debut for the digital media delivery company. Shares of rival Akamai (NASDAQ:AKAM) are up more than three times in value over the last two years. Will Limelight leave Akamai in the dark? In this installment of "Fool Video," I ask Fool contributor Tim Beyers.