Did you know that there are over 5 billion mobile phone users worldwide? That's more than half of the global population! With such a large audience, it's no wonder that <a class="wpil_keyword_link" href="https://froggyads.com/blog/digital-marketing-proposal-for-client-pdf/" title="advertising" data-wpil-keyword-link="linked" data-wpil-monitor-id="69118">advertising has shifted towards mobile devices. Enter cellular advertising -…







