Mark Spencer is founder of Digium and creator of Asterisk.   Spencer delivered a keynote speech last night entitled, Mysterious Keynote, in which he spoke about the changes at Digium, and how Digium is growing up.   He cited major changes such as new management team, a new facility, and a new focus on broader customers and increasing the channel.   Of course, Spencer being Spencer, he quickly dismissed Digium’s transition to “adulthood” with an “Okay. But not completely.”   Truth be told, Spencer did come across as a more serious, more mature business leader than the quirky offbeat open source evangelist that he’s better known as.   He spoke about Unified Communications as a hot trend.   “Amazingly,” he said “it seems that people think it’s all new, but as most people understand it, UC has been around for a long time.”   Spencer believes UC encompasses how one could use communication to change people’s business process.   Spencer cited an interesting example of an outfit called Botanicalls. This NYU project essentially devised a system whereby your plants can call you when they need water or if they’ve been over watered, etc… He mentioned an initiative called QueueGames, which is essentially a trivia game callers can play while on hold. The point Spencer was driving home is that even silly concepts such as these serve to get people thinking about the possibilities of communications. Initiatives such as this serve to expand the definition of UC.   He mentioned the evolution in the open source world, where things have gone from a simple “good versus evil” debate (open source vs.