Although most (87 percent) of white collar employees of multinational companies work virtually at least partially, most of these employees encountered challenges in virtual work as only 16 percent had any training for this type of work, according to a study by RW3, an intercultural communication training organization.

U.S. employers pulled back on hiring in April for the second straight month, evidence of an economy still growing only sluggishly. The unemployment rate dipped, but only because more people gave up looking for work.

College students graduating in 2012 say they are more concerned about job security than salary and benefits, and new college graduates say they are least likely to join startup company, according to a recent survey by SimplyHired.com.