communicate with prospective employees and vice-versa. Its popularity is

growing fast, with about 80% of recruiters these days checking out

candidates' "credentials" on social sites. However, employers are still

figuring out the best approach. Beyond its viral possibilities, drivers

for engaging through social media vary, with reasons including cost

saving, branding and exploring the "fit" of wannabe employees with the

corporation. Experts warn it's easy for both parties to be fooled by the

immediacy and informality of the medium. That's why plenty of

forethought and a strategy are essential.