tom: this goes with jeff rosenberg, people scared stiff of social media. blackrock is an example. bout what could happen. jeff: with everything it is both an opportunity and a risk. you have to manage both. we have a social network pleasance, a blog post, we engage it, but you have to balance the risk and reward. tom: i go to your comment about the guardian being huge. they just said, we give up. brendan: do you find twitter valuable as an economist? jeff: i have started tweeting. olivia: answer our twitter question of the day -- does the sharing economy provide good jobs? ♪ tom: good morning everyone. that's why a lot and merkel travel to moscow. brendan: walmart looks to improve its image in china. the aim is to enhance the retailer's reputation after accounting inventory and food safety missteps. according to a company memo, the new senior vice president and corporate affairs officer in china. a full-year loss for mcdonald's japan affiliate. the fast food chain struggled with scandals in asia. 2014 the loss was $186 million, compared with a net income of $43 million the previous