Everything is approximate. Each new approximation improves upon the last, but it is still an approximation, based upon a balance of what we want, what we notice, and what the platform is even capable of.
Madness string 1199
The reality is I kinda like the rock. I don't see the need for a piece of hardware or a program when the rock works fine. There is something to be said for simplicity and I don't think its gonna get any simpler than a rock. It's basically an on/off switch.