A:AnswerI've used it a couple of times outside in sunshine. It is a very bright screen. It has a glossy finish, not "anti-glare", per se. But still works good outdoors
A:AnswerNo, the Apple silicone macs (m1/m2 and their variants) use unified memory. Apple specifically says that the memory and the hard drive are not user accessible. There’s some articles online that show you how, but you’d be voiding the warranty.