$19B 一年a year
學術出版每年規模約一百九十億美元,利潤率近 40%,高於多數大型科技公司。由公費產出的知識,卻被鎖在付費牆後。Academic publishing brings in roughly $19 billion a year at a profit margin near 40% — higher than most big-tech companies. Knowledge produced with public funds stays locked behind paywalls.