Elderly PeopleChina is facing the serious problem of aging population. By the end of 2016,China’s elderly population aged 60 and above was more than 230 million.Nowadays elderly people have become the focus of the social concern.We usually call people over the age of sixty elderly people. Most of them haveretired or don’t work full-time. Some elder people enjoy their lives. They havemore time to do things they are interested in. They spend time travelling athome and abroad or doing exercises. Sometimes they get together with theirfriends. However, some elderly people don’t feel happy. They feel boring andstay at home all day after retirement. Life seems to be meaningless for them. Atthe same time, they feel lonely because their children are too busy to accompanythem.We should pay more attention to elderly people and take care of them physicallyand mentally.With economy developing, Social media offers new tools for accelerating citizenparticipation and economic and social progress. Nowadays, Social media hasbecome a dispensable part of not just our private lives, but also our careers. Forexample, it helps millions of businessmen discover the online markets as well asconnecting with customers, shareholders, business partners and so on. Anyway,we have all witnessed that social media have exerted a profound influence onevery aspects of our life.However, every coin has two sides, so as the social media. In the first place, it'snot unusual for a person to have over 200 Wechat friends or follow over 1,000Weibo accounts. With so many accounts to follow and so many people postingnew content, we are overloaded by excessive information. Besides, Many socialmedia platforms still get hacked from time to time de...