In the market for a HTC One (M8) screen protector! Oh, there's plenty to choose from! Whether it is PET-film, military-grade TPU, or chemically strengthened glass that you're after, you will find many alternatives to consider. After all, if you own a phone as sharp-looking as the One (M8), we think you absolutely have to invest in a screen protector. You don't want no technician forcibly suction-cupping the display from the metal unibody and transplanting another, just because you dropped the unlucky fella' on the pavement!
Read our article on choosing a screen protector if you are new to the stuff, then go on and make a fine, informed purchase.