I still use a brick of a phone that is waterproof,dustproof,slip proof and shock proof and did not need to fill in any forms when buying it so can happily carry on knowing that I am not being tracked or followed or targetted from various businesses.
There does appear to be a lot of paranoia on here and if you are that tripped out with fear then maybe its best that you just keep clear of technology completely as they could be listening to you through your radio,watching you through your tv or plotting against you from your toaster !!!!
As long as you are not planning terrorist actions or on the run then there is little to worry about !!