Given a sentence in Igbo language, translate the sentence to English language keeping the meaning of the original sentence intact

Igbo sentence: [,,,] Penney (2016) explores ma zuru ebe nile bu ihe NSA / prism surveillance (ie, onye Snowden mkpughe) na June 2013 jiktara a nk na mberede nu ke okporo uz Wikipedia isiokwu na isiokwu na-ewu nzuzo nchegbu. O buru otAo ahu, mgbanwe a na omume ga-agbanwe agbanwe na a chilling mmetuta n'ihi uka onyunyo.
[,,,] Penney (2016) explores whether the widespread publicity about NSA/PRISM surveillance (i.e., the Snowden revelations) in June 2013 is associated with a sharp and sudden decrease in traffic to Wikipedia articles on topics that raise privacy concerns.