From 2010 onwards, some emoji character sets have been incorporated into Unicode, a standard system for indexing characters, which has allowed them to be used outside Japan and to be standardised across different operating systems.
Dipper is a 12-year-old (13-year-old by the end of the series) boy who, along with his twin sister Mabel, is sent to spend his summer vacation in his great uncle's tourist trap, The Mystery Shack. He endeavors to uncover the secrets of the fictional town of Gravity Falls and to find explanations for assorted strange situations.
By the 1970s, this diaper marketing campaign had parents waiting to get their child out of diapers until about 18 to 24 months of age. In the 1970s and 1980s, it was believed that a 2-year-old should be out of diapers. Today the start of potty training has become even later.