The Flatline Kids are a youth movement obsessed with the pre-internet analog era of the late 20th century — not the pop nostalgia of the Nineties Church, but the deeper, quieter texture of life before connectivity: rotary phones, physical mail, cash transactions, and the specific loneliness of being unreachable. Concentrated in Tier 1-2 populations who never had reliable BCI access anyway, Flatline Kids reframe their infrastructural exclusion as a spiritual aesthetic, collecting pre-2000 artifacts from ghost markets and ghost-running 'dead drop' social networks using physical handwritten notes left at coded locations across GLMZ. Their fashion centers on deliberate blandness — muted earth tones, unbranded fabric, no visible chrome — as a radical refusal of the signal economy. Internal disputes center on 'authenticity depth': purists who reject all post-1980 technology versus 'surface flats' who engage selectively. The movement's zine, *No Carrier*, is hand-printed on reclaimed paper and distributed only through dead-drop networks.