Danish mobile carriers share your telephone number without your consent.
Read more (in danish):
http://macbay.dk/5045435588673536
http://www.version2.dk/artikel/mobilsurf-danske-teleselskaber-sender-dit-telefonnummer-til-hjemmesider-70145
This proof of concept utilises AFNetworking, which is licensed under the MIT License.
Copyright (c) 2014 Jonas Boserup. All rights reserved.