Just to chime in, I also started using Phoenix in 2002, but it wasn't because it was customizable. I've never used more than a couple of extensions and I actual

Just to chime in, I also started using Phoenix in 2002, but it wasn't because it was customizable. I've never used more than a couple of extensions and I actually have every extension I need on Android, so I'm fully satisfied for my particular use case. I still think most of what Mozilla does with Firefox is absolutely stupid and I wish it was different because attracting or retaining more users would make Firefox less likely to die, and generally help the web.