This was drawn to my attention.
http://ovivomobile.com/about/ "
we do not disclose your name, address or mobile number to 3rd parties "
which contradicts whats written in the T&Cs
http://ovivomobile.com/privacy/ "USES MADE OF THE INFORMATION
We use information held about you in the following ways:
• To provide you with information, products or services that you request from us or which we feel may interest you.
• To carry out our obligations arising from any contracts entered into between you and us.
• To allow you to participate in interactive features of our service, when you choose to do so.
• To notify you about changes to our service.
We may also use your data, or permit selected third parties to use your data, to provide you with information about goods and services which may be of interest to you. By using the Service you consent to us sharing your information with third parties for advertising campaigns and agree to be contacted by mail, email, text or telephone. If you disable any device to block receipt of such communication we shall be entitled to terminate the Service to you. "