【答案解析】The critics a company has to deal with usually come from trade unions or environmental groups. The company can appease them by co-opting their leaders, making more concessions in union contracts, or investing in their pet projects. But with the appearance and spread of "social media", comes the new headaches for corporate executives, they are the online critics. These critics may bring serious damages to the company"s reputation.
Online critics use their blogs as their base of attacks. It does not need lots of experience or professional knowledge. All he needs is a description of his complaints and every possible way to attract others to this issue.