It was long wondered when Facebook (META 0.73%) would finally challenge LinkedIn's (LNKD.DL) space, and now it's happening. Facebook just announced its Social Jobs Partnership app, a major collaborative effort that will offer more than 2 million job listings. However, while a growing number of employers do use Facebook in their staffing decisions, the sheer rate of LinkedIn's growth may make it tough to catch. In this video, Motley Fool analyst Lyons George tells us more about this step to challenge LinkedIn, and also discusses some other Facebook rumors circulating at the moment.