The phrase (pronounced "Pen Fifteen") is a well-known schoolyard prank and the name of a critically acclaimed American comedy series

რატომ არის "Pen 15" გამორჩეული?

The group coalesced around the Tbilisi State University’s informal literary circles and the city’s bustling café culture, where Russian Futurists like Vladimir Mayakovsky (who visited Tbilisi) and Italian Futurist manifestos were being discussed with fervor. Key founders included the poet Titsian Tabidze (though he later distanced himself), the more iconoclastic Paolo Iashvili, and the visual artist Lado Gudiashvili. However, the true radical wing of Pen 15—the one most responsible for its scandalous reputation—included the poet Kolau Nadiradze and the painter Kirile Zdanevich, brother of the Russian Futurist Ilya Zdanevich.

A notebook doesn't have notifications. Using a high-quality pen and paper allows for "deep work" that a smartphone often interrupts. Creative Freedom:

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