[ , , , ] Penney (2016) explores ma zuru ebe nile bu ihe NSA / prism surveillance (ie, onye Snowden mkpughe) na June 2013 jikọtara a nkọ na mberede ọnụ ke okporo ụzọ Wikipedia isiokwu na isiokwu na-ewu nzuzo nchegbu.
