Ingrid Lunden reports:
O2, one of the largest mobile operators in Europe, says that it is currently investigating accusations that it is sharing its customers’ mobile numbers with websites visited while surfing on the carrier’s mobile data network.
[…]
Lewis Peckover, a web systems administrator in London, said he first noticed the issue yesterday, when he was looking for “ways to verify a user is on a mobile device/network” and discovered that his own mobile number was getting displayed as part of the header information.
Read more on PaidContent.org.
So that’s how they get my phone number? My husband has plain flip phone and never gets these invasive calls.