Here is my last weekend project that turned into useful extension. Basic version (Chrome Extension) will always be free and I will try to make money charging for SMS notifications.
If this thing does anything to de-dupe, it would be a must-have, would-pay-for-it app.<p>Trying to use Craigslist to find a new apartment means sifting through the same listings, posted day after day after day. They lower the signal/noise ratio a great deal.