We are celebrating 20 Years of the Lexicon with a Twentieth Anniversary Canon Celebration!
Magical objects
Books and Writing Hogwarts Magical Devices and Items

Auto-Answer Quill

An Auto-Answer Quill presumably automatically answers a question asked in its presence. They are banned from the examination hall during tests at Hogwarts (OP31).



These kind of sound like Cortana/Google Now/Siri for wizards.

Pensieve (Comments)

Tags: banned cheating exams writing