Facebook logged SMS texts and phone calls without explicitly notifying users

Users complain of phone and text data collected by the company despite never having agreed to practice

Facebook began logging the text messages and phone calls of its users before it explicitly notified them of its practice, contradicting the company's earlier claims that "uploading this information has always been opt-in only".

In at least one previous version of the Messenger app, Facebook only told users that the setting would enable them to "send and receive SMS in Messenger", and presented the option to users without an obvious way to opt out: the prompt offered a big blue button reading "OK", and a much smaller grey link to "settings".