The so-called Universal Stylus Initiative launches without the three biggest players

Anyone who’s toted around a recent Microsoft Surface device knows this: Styluses and digital pens tend to disappear. A new Universal Stylus Initiative, released today, aims to make their replacement as painless as possible. That's a nice idea, but the companies with the most pen-friendly products—Apple, Microsoft, and Samsung—have yet to sign on.
The Universal Stylus Initiative (USI) establishes a cross-device specification for digital pens and styluses, including those found