"Why would I give out my cell? I don't need a guy I met at a bar one night calling me every day for the next two weeks begging me to go out. I want to filter out the people I don't need to have contact with."

--Singer Airin McClain, 23, speaking to the NYTimes in a story about the rising use of of anonymous third party calling services as a new phone screening tool and communications tool now that everyone's cell phone number is part of their persistent ID.