By Eric Reed If you thought 5G technology was still the next big thing, it’s time to think again. Another acronym, another investment opportunity. The Action Alerts Plus team wrote that this week’s Mobile World Congress “is a trade event focused on ‘mobile’ — a term that at one point referred to simply the latest and greatest mobile phones set to hit the market later in the year.” At one point, sure. But today, “mobile” refers to an entire industry. In fact, by some consumers’ definitions, mobile is the internet. Worldwide, more people access the internet through their phones than a desktop o…