Once used a trackball back in the nineties, do remember that, like the touchpad it required absolutely not one speck of grease or sweat in the works or it was back to cleaning. Did like it for a while before it started to wear out, as did the touchpad, with the consequence of losing precision in movement. Which was enough to want to move back to standard gear. 🙂
Scans anything? What about huntsman spiders, which are common visitors to homes in this neighbourhood. Beautiful spiders worthy of a replica.
If the library system software was open source, it would probably be updated regularly. else there’s always a cost in maintaining proprietary code.