be careful with alcohol, it can destroy screen coating as well. make sure to check website of specific hardware manufacturer.
"Facebook also noted that alcohol-based wipes and cleaners are not recommended for use on the lenses. The lenses can be damaged by alcohol, so users should opt to use a dry microfiber cloth instead. If a smudge is being stubborn, users can dab a small amount of water on the cloth as well, but alcohol should not be used on lenses at all, according to the company."
One could argue that Google Glass could have worked if the battery life was better, universal google maps / navigation had been better developed and more omnipresent, and pricepoint had been way lower.
Perhaps enough time has passed for those sorts of problems to be resolved and Apple will do something similar to Apple Watch but for Glasses.
As with all VR/AR products, we feel like we're on the verge of something great within the next 1-2 years and something revolutionary within the next 3-5, but at least now there's Focals https://www.bynorth.com/ and Apple's expected product (hiring posts, acquisitions, and leaks point to a large team at work on something) as well as the Hololens team still iterating, and to me the most interesting stuff is actual software applications. FB/Oculus showed some interesting stuff in their last conference: Work on 'social teleportation' aka scanning the environment and bringing it into mixed reality / VR in order to 'call' someone in mixed reality and teleport to their living room and sit with them in 3D space, better and better face-scanning tech to create digital reproductions of your face with facial expressions mirrored to avatars:
If you look at any of Mark Zuckerberg's statements, it's clear he still believes in pushing more and more funding to AR/VR, not sure where you're getting your info.
Don't move anywhere without visiting several places for at least 1-2 weeks each. Trust me on this. You may have a picture of a place but being there can be very different.
"Facebook also noted that alcohol-based wipes and cleaners are not recommended for use on the lenses. The lenses can be damaged by alcohol, so users should opt to use a dry microfiber cloth instead. If a smudge is being stubborn, users can dab a small amount of water on the cloth as well, but alcohol should not be used on lenses at all, according to the company."