Li-Wen Hung (left) and Whitney Chen were waiting to meet potential employers at a Manhattan job fair earlier this year. Mario Tama/Getty Images hide caption

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Will there be more signs like this? An automotive service shop in El Cerrito, Calif., was looking for workers last month. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Hoping to see more of these: A "now hiring" sign in the window of a bank in San Rafael, Calif., in January. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Job seekers came to the ThistleDown Racino and Horseshoe Casino in Warrensvile Hts., Ohio, last month. Chuck Crow/The Plain Dealer /Landov hide caption

itoggle caption Chuck Crow/The Plain Dealer /Landov