Those of you who link to the Facebook page of Arlo & Janis may have received several of those wonderful FB “notifications” over the past 24 hours, useful messages such as “Jimmy Johnson has changed his profile picture,” or “Jimmy Johnson has changed his cover photo—again.” I’m sorry about that; it’s because I’ve been tinkering with the appearance of the page, which I’ve allowed to lie fallow. It’s all part of the run-up to the online changes we’ve been talking about. This Web site will remain the focus of our online experience, but there’ll be a Facebook presence, too. In theory, there has been for a long time. I intend to resurrect it, and the fiddling I’m doing there is good practice for larger things to come.