ํ‚ค๋งˆ๋Š” ์ „์†ก์†๋„ ๋น ๋ฅธ๊ฒŒ ์ข‹๊ฒ ์ง€์‹ถ์–ด์„œ 3.0์— ๊ฝ‚์•„๋†จ๋Š”๋ฐ 2.0์ด ๋” ์•ˆ์ •์ ์ž„?