Is this the business plan that Twitter has been searching for? At the very least, it’s something. On Monday, Twitter, Reveille Productions and Brillstein Entertainment Partners announced a plan to develop an unscripted (i.e. reality) series based on the service. Few details about the series have emerged. We know that it’s going to be a “competitive TV series” which will “harness Twitter to put players on the trail of celebrities.” So we’re talking about some competitive reality series, like “Survivor: Twitter,”