http://www.techradar.com/news/world-of-tech/roundup/10-best-touchscreen-laptops-in-the-world-909937

Whether you like it or not it's undeniable that touchscreen have change the laptop landscape forever. From more touch-friendly operating systems to the explosion of drawing applications, there are more reasons to have a touchscreen on a laptop than ever before and the huge uptick in popularity of 2-in-1 laptops perfectly corroborates this.

While it might seem like every notebook has a touchscreen, not all digitizers are born equal. Sure most are good enough to detect when you're scrolling up and down a site, there are some particularly tuned for precise digital pen usage and have specialized features.