OK so I’m lying on the couch getting over a spot of flu and taking in a YouTube recording of Bach’s Christmas Oratorio on my iPhone. Before we’re a decent time into the 2½ hour long recording I get interrupted by an ‘online ad’. I can skip it, so not a major downer on my musical experience. A while later, another ad, this time non-skippable, pops up. I sit it out. They don’t come in any recognizable pattern so when the next one comes I’m still unprepared and now the iPhone ha