Did you know it took the US about seven years longer than Europe to catch onto texting? It gained momentum in Europe in 2001, and quickly became a popular alternative to calls. But in the US, text messaging didn’t take off until 2008. With the growing popularity of the smartphone, namely the iPhone, texting skyrocketed. Today, texting is the #1 used app on the smartphone worldwide. In fact, no one even thinks of it as an "app". It’s not a…