Hardly a breakthrough (Score 2, Interesting)

My company is already using AlphaMail which does exactly the samething. And my next build of our document delivery system will add javascript to pdfs and webbugs to htmls.

We're not protecting documents in any way, only capturing the tracking information. A lot of organization don't know that 1 seat license means 1 person and this tracking information would highlight offenders.

Our subsriptions are 5k+/yearly :-)