Sooo, this implies such deep profiling hasn't been in use for a decade for target advertisements. 500M is not that large a number with the amount of traces we leave behind online :)
maybe by the platforms based on the non-publicly-disclosed behaviour (including usage patterns, like rates of opening specific menus), but not by other unprivileged users seeking to publicly out pseudomymous authors.
maybe by the platforms based on the non-publicly-disclosed behaviour (including usage patterns, like rates of opening specific menus), but not by other unprivileged users seeking to publicly out pseudomymous authors.