According to a December 2013 CNET report, more than half of Samsung's 62,000 engineers are now working on software. Samsung's co-CEO Boo-keun Yoon stated that "Software is something that we're working on continuously. These days, hardware is important, but that is not enough." That's because Samsung's future will rest upon how well its products work together, which is all about the software. With the World Mobile Congress trade show kicking off on Monday, Samsung's timing of three trademark applications in the US tells us about one of the software services that they're likely to introduce: Milkmusic.com.