The Facebook app for Android uses a feature called the "Global Collector Library" to collect information about the user's libraries and send it to the company's servers.
Of course, something like this is not new, since many times the company has been "caught" collecting every data from its users. The new thing in this case would be that she was not interested in the data, in a parallel universe ….maybe.
Jane Manchun Wong, an application researcher from Hong Kong, discovered that Facebook's Android application scans the phone, creates lists of system libraries and uploads them to a social network server.
Jane he says:
The Facebook app for Android scans the system libraries from its user's phone to background και τις ανεβάζει στον κεντρικό υπολογιστή τους. Αυτό ονομάζεται Global Collector Library στο Faceboοk, γνωστό και σαν GLC στον code of the application.
It periodically uploads the metadata of your system libraries to the company server. It doesn't seem to exist choice opt-out for the Facebook Collector Global Library, nor does it appear to be possible projection of what has been uploaded from our devices.
We do not know what the purpose of the GLC is, but I suppose it can be used to determine system compatibility.
The Facebook application compresses each file before sending it to its servers to minimize traffic.
It is currently unclear what the purpose of this data collection is, what Facebook is doing with the data and whether this data collection is covered or referred to in the terms of service.
It may be some security measure, but who trusts Facebook;
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