Earlier quoted context omitted.
My new high-privacy, high-control data management solution revolves around pen & paper. As far as I am aware, these implements have not yet been banned in the UK. I don't know why everything must be digital. If you don't put it on a computer, it's almost as if it doesn't exist. If you do this often enough, it is almost as if you don't exist.
In the latest Janus Cycle video he explained how he started carrying an IBM WorkPad c3 around to manage his contacts and appointments. I found that a great idea for people like me that struggle with deciphering their handwriting an hour later.
I believe the Palm T2 and T3 had bluetooth so would be interesting if you could connect the two to keep contacts and appointments off your smartphone. I'm seeing Handspring Treo 650's for under $100 as well.