Technically, no, dear, your brother isn't plagiarizing you.
Well how about this"Facebook seeks to copyright the word ‘BOOK’ in new user agreement as company tightens grasp around other common words like ‘wall’ and ‘face’
Read more: http://www.dailymail.co.uk/news/article-2120205/Facebook-seeks-copyright-word-BOOK-new-user-agreement-company-tightens-grasp-common-words-like-wall-face.html#ixzz21Gi7nR9y
July 17, 2015
Well how about this"Facebook seeks to copyright the word ‘BOOK’ in new user agreement as company tightens grasp around other common words like ‘wall’ and ‘face’
Read more: http://www.dailymail.co.uk/news/article-2120205/Facebook-seeks-copyright-word-BOOK-new-user-agreement-company-tightens-grasp-common-words-like-wall-face.html#ixzz21Gi7nR9y