"Is your smartphone telling every website you visit your telephone number?"
"O2 mobile users in the UK are venting on Twitter today, fuming at their discovery that their phone number is being shared with every website that they visit over the network."
More at: ,
including the suggestion: "If you want to know if your smartphone is revealing your phone number when you browse websites, you can test for yourself by visiting this demo page by Collin Mulliner:"
Cheers, -- tlvp