Facebook details data sharing agreements with Amazon, Qualcomm, and AT&T among others

In over 700 pages of responses sent to Congress over the weekend, Facebook acknowledged that it shared user data with 52 hardware and software companies, many of which were previously undisclosed.
The new list includes several large tech companies like Apple, Microsoft, and Amazon, and lists several Chinese companies like Huawei as being part of Facebook’s data integration partnerships. Last month, The New York Times reported that Facebook had been sharing data with device makers, but thi