If Bluetooth (especially on Mavericks) refuses to connect and cannot be switched off it can be restarted (without having to reboot) using these commands from terminal...
I usually write a blog post about once a week. The latest post can be viewed here: This is War!: I think it is a surface indicator of a deeper issue. (posted 2025-07-29 at 13:01:23). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-07-18 Too Many Road Cones: I think it is clear, there are too many road cones!.