Open source: If you think there are hordes of developers just waiting by their Linux-based PCs for the next chance to contribute code to you, think again. Matt Asay writes in Open Resource that “a global, expansive open source development community is just a myth” and points out the ways that “open source software really isn’t so different from closed source software.” SOA: BEA Systems’ CEO Alfred Chuang hammers a stake into the ground claiming that his company is the world leader when it comes to enabling SOAs. Greg Nawrocki writes in Grid Meter, however, that troubleshooting SOAs and grids is not going to be easy for users, due largely to the human labor factor. That said, there is more evidence that the industry is moving to a Web services-style marketplace for enterprise apps, according to Dave Linthicum. Best of the blogs: Bob Lewis offers some guidance on what to do when the individuals on your staff are lacking in skills, and enough so that you have to constantly pick up the slack. Wireless: IT and wireless are still separate, reports Tom Krazit from CTIA, because many enterprises still don’t understand the benefits of wireless networking. With that in mind, it’s no surprise that vendors are pushing enterprise-class mobility wares at the show; Microsoft, for instance, showed off a push-to-talk device. Cingular said that it plans to use RealNetworks’ video streaming technology to deliver mobile services to phones. Technology Industry