RealNetworks purchased Macrovision's games business for $4 million. Last year, it bought a casual games site called Gametrust for about $20 million. It's all part of RealNetworks CEO Rob Glaser's plan to be a player in casual games. Just like he planned to be a player in online music. You know, before Apple crushed him. Or like how he planned to be a player in online video. Before Adobe's Flash laid him low. We give Glaser this much credit: He keeps spotting opportunities. The best business plan going seems to be to watch what markets Glaser enters, follow him, and do a better job.