Some facts about shingles include that: 1  Shingles is rare in children under ten years of age. 2  Younger children who do develop shingles tend to have milder symptoms than adults with shingles. 3  People have a 10 to 15 percent chance of developing shingles at some point in their life if they once had chicken pox.
There are approximately 310 million people in the United States. Of these people, approximately 250 million are over the age of 14. According to Comscore, about 235 million of these Americans use mobile devices. It seems likely that almost all of these folks will eventually have smartphones.
WeChat and Weixin (the Chinese version of the service that includes localized services and bells and whistles) collectively account for 650 million monthly active users (MAU), while QQ, its instant messaging service that started out on desktop, counts 639 million smartphone users.