Complex sentence: Also in November 2015, a researcher discovered that customers with diagnostic program Dell Foundation Services could be digitally tracked using the unique service tag number assigned to them by the program, even if a customer enabled private browsing and deleted their browser cookies.
Split into simpler sentences: Also in November 2015, a researcher discovered that customers with diagnostic program Dell Foundation Services could be digitally tracked using the unique service tag number assigned to them by the program. This was possible even if a customer enabled private browsing and deleted their browser cookies.