OS and Browser stats spring 2015
FireFox and Google Chrome allow you to disable saving form data and passwords with a simple click on their options menu. Internet Explorer 11 does also have this capability, but it is harder to find
Browser and OS stats measured on two of my web sites as of 2014-08-11
The Federal Do Not Call list is available for all PERSONAL phone numbers: land line and mobile. All you need to do is go to the government web site, DoNotCall.gov, and click REGISTER A Phone Number , or call their number, 1-888-382-1222, FROM THE PHONE NUMBER TO BE REGISTERED. There are scamming organizations pretending to represent the Do Not Call list, but they are scammers trying to trick you.
Statistics: Operating System and Web Browser use April through October 2010