Facebook app for job hunters Facebook made a strong push into the lucrative job search and recruitment market Wednesday, launching an app that creates a central hub for its members to find postings for about 1.7 million open jobs in the United States. The app was developed by the year-old Social Jobs Partnership, a collaboration of Facebook, the U.S. Department of Labor, the National Association of Colleges and Employers, the Direct Employers Association and the National Association of State Workforce Agencies. The app aggregates job listings from social job search and recruiting companies that have already been trying separately to tap the reach of Facebook, which has more than 1 billion users worldwide. [...] 1 in 5 job seekers added some sort of professional information to their profile, possibly egged on by Facebook's new Timeline profiles, which encourages members to share more bits of personal and workplace information. [...] the National Association of Colleges and Employers said that half of all employers are using Facebook during the hiring process and that 90 percent of companies said the social network has decreased their need for print recruitment ads. Individual social job companies have been operating on FB for years, but have failed to gain meaningful traction," the report said, because users want to keep their social and professional lives separate, "which in our view should continue to be the case.