3 smart glasses you can use today

There's a lot of buzz about wearable technology, especially around glasses. Google's marketing machine is driving its Glass message home, but there are a few market-ready competitors that are worth knowing about.

Earlier this year, Ad-Dispatch posted a complete breakdown of the hardware options in this space covering any product that is expected to launch in 2014. By contrast, in this post the information is distilled into the quick points that are important for those looking for a wearable augmented reality solution, wearable gaming solution, or just want the low-down on these three wearable devices.