Texting friends, replying to a business email, tapping out some text for a social media post. We do a lot of writing on our smartphones, which are increasingly essential for our work and personal lives. But did you know about the many keyboard tips and tricks that can help raise your smartphone skills? If you own an Apple iPhone, there are a host of little-known shortcuts that could maximize your typing. These features, usually buried in lengthy instructions, are easy to overlook though they often come to wider attention through videos by social media influencers. Here are few texting and…