Act as a visionary fashion designer with 10 years of experience in avant-garde trends. Describe a futuristic fashion trend where people wear their thoughts as scarves. These scarves are made of [NEURAL FABRIC] that changes color and texture based on the wearer's emotions, displaying [REAL-TIME THOUGHT PATTERNS] as intricate, glowing patterns. The scarves can also [INTERACT WITH OTHERS], syncing with nearby wearers to create a shared visual dialogue. Explain how this trend started, its cultural impact, and the technology behind it. Include details about how the scarves are customized, their popularity among [CELEBRITIES OR SUBGROUPS], and any controversies they might spark.