Here's a shocker: consumers given the freedom and control to download the applications of their choice, may just end up using the services more. After years of fiercely controlling the applications that consumers can use on their networks, operators are beginning to loosen up. As the NYT notes, some of the new openness has been forced on them by the moves of rivals, some of it from their own experiences of cracking open the consumer experience. The results though are the same: operators are seeing data usage surge as consumers snap up applications, and more smartphones being bought—not a bad thing at a time when voice ARPU is heading south. Apple's App Store, for instance, saw 25 million applications for the iPhone downloaded in the first ten days of its opening. VC's like what they see too: tech research firm Rutberg & Company said their investment in applications jumped 90 percent in the first half of 2008 to $383 million, compared to the last half of 2007. The new openness has been going on for about nine months now, kicked off by Verizon's announcement last November that it would open up its network to any device compatible to its network. Nokia ( NYSE: NOK ) recently announced it would take control of Symbian and open it up for free. LiMo, the foundation promoting a Linux-based OS, said today seven new mobile phones would use its OS--including Panasonic, Motorla and NEC--for a total of 21 handsets. But of course, there are degrees to the new "openness". For one, there's a confusing array of mobile OS's, with varying interpretations of openness. Aside form Linux, Symbian, and Apple ( NSDQ: AAPL ), there's BlackBerry, plus the OS's from Microsoft ( NSDQ: MSFT ), Palm ( NSDQ: PALM ), and in the fall if all goes well, Google's Android. While an application may work on one OS, it may not work so well on another, open or not. Carriers, phone makers and software developers also have their own definition of "open."...