Twitter stock opened trading at $45.10, instantly soaring 80% above its initial public offering price. This means that having a lot of users is much more important to investors than having any sort of plan to become profitable. We are back to 1999 and eyeballs are in vogue. This is manna for messaging apps like WhatsApp, LINE, KakaoTalk, WeChat, Kik, Viber, Tango, Nimbuzz and BBM. Some of these apps are already wildly profitable — LINE, for instance grossed $26 million in July alone just from the mobile game apps it promoted. Some, like BBM, are still in the process of bulking up their user bases and mapping out content distribution strategies. Within a year or so, all of these messaging apps will be distributing virtual stickers,