Tablets are fun and dynamic devices, but they’re also among the most fragile, not being built to withstand too many bumps and bruises. Yet it’s the more day-to-day usage of fingers touching the screen that tends to be more worrisome. Despite tough glass and panels used these days, small scratches or blemishes aren’t uncommon for naked screens, and while quality film screen protectors do a good job, using one made of glass could be even better. Enter Zagg's InvisibleShield Glass.