Van Dijck’s concept “culture of connectivity” completely reshaped my understanding of daily social media scrolling. Platforms are not just neutral tools for chatting; they set unified rules for how we perform social interactions, including profile design, like and comment mechanisms. We share fragmented private life online to gain a sense of belonging, yet gradually our self-expression is constrained by platform algorithms. Are we really in control of our online identity, or are social media platforms shaping how we see ourselves?#FDUFISS26##26 复旦国际暑期学校#