Somebody could use this as a starting point. http://touchscale.co/ http://touchscale.co/ You'd have to collect new data on touch strength vs. weight to get the

Somebody could use this as a starting point. http://touchscale.co/ http://touchscale.co/ You'd have to collect new data on touch strength vs. weight to get the regression parameters. (If you do this, let me know and I can add it to the site above, and then we can both delight in the surprisingly large amount of unmonetizable traffic it gets.)