Maybe they visited your website (or a specific page on it), took some sort of action in your app or game, or gave you their email address or phone number. (inc.com)
People are always inclined to take some sort of action when something negative occurs. (petbusiness.com)
But, by taking some sort of action, you will at least start moving forward, rather than hanging out and hoping against hope that some miracle will happen and life will change. (karencovy.com)