counternotions

If you go by Bibliodyssey‘s account of Stammbücher [Friend's Book] from the 1750s, Mark Zuckerberg may have not seen the last of the folks in line to sue Facebook for appropriation of the ‘original’ idea:

Stammbücher appear for the first time in the 16th and 17th centuries in the German- and Dutch-speaking areas of Europe, where it had become fashionable among graduating university students to have one’s personal bible signed by classmates and instructors. Soon inscriptions went beyond simple signatures to include reminiscences of common experiences, good wishes for the future, or a favorite passage from literature or poetry. Publishers foreseeing a lucrative market printed bibles with empty pages and soon also turned out small decorated books with only empty pages.

Eventually these albums were not only passed around at graduation but accompanied a student throughout his life, gathering entries from relatives, friends, and important acquaintances. Others also took up the custom, especially those who traveled as part of their training or social upbringing, such as aristocrats, tradesmen, military officers, poets, or musicians…