I brought 27 inch 4K display recently and instantly regret I hadn't purchased 4K display 3 years ago. Back then, 4K display was still way too expensive. Althou

I brought 27 inch 4K display recently and instantly regret I hadn't purchased 4K display 3 years ago. Back then, 4K display was still way too expensive. Although I could buy one, I didn't think spending half the price of good laptop computer for a 4K display doesn't worth the money. I was wrong. 4K display greatly improved my productivity. I should have purchased a few of them already.