parasiting
n.— «Terrorists are hacking websites and posting training manuals in inner directories where people may not notice them (this practice is called “parasiting”).» —“Terrorism on the Internet: another Border to Protect one Country’s Sovereignty” by Martha L. Arias Internet Business Law Service (Irvine, California) May 23, 007. (source: Double-Tongued Dictionary)
Further reading
A librarian opens a book and finds a mysterious invitation scribbled on the back of a business card. Another discovers a child’s letter to the Tooth Fairy, tucked into a book decades ago. What stories are left untold by these forgotten...
When a musician is woodshedding a passage of music, they’re trying to master that part by repeatedly practicing it in private, as if having retreated to do so in a woodshed, away from others who might be bothered by it. This is part of a...