Sometimes gee-whiz apps on web sites are just that. Gee. Whiz. 

Gone.

No there there, lighter than air, special effects that don't sell, don't leave much of an impact but sure were cool -- and expensive.

The talents at The Bear Cave though, put some really cool programming to work for eyeglasses designers Warby Parker.

It's called the "Virtual Try On," and it enables you to spend time trying on various frame styles online on your own mug. No more annoying tags, you see what the styles bring to your facehead in seconds following an upload of a photo. The application sums up proportion, size, head tilt, etc. and really fits the glasses to you.

Great example of an online app that functions in fine form. Bravo.

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