The Labor Department released its monthly jobs report on Friday, and in September, for the first time in seven years, we lost jobs — 33,000 of them. But the government isn’t the only entity tracking the workforce. LinkedIn data show that hiring was on the upswing in September. So who’s right here? It turns out, both may be. Marketplace Tech host Molly Wood talks with Guy Berger, an economist with LinkedIn, about how the company gets its data.