Can't say it's finished, but as Reid Hoffman said - if you're not embarrassed by the first version of your product, you’ve launched too late.
There are thousands of upcoming technology events in the USA alone. Adding them all to the database will take some time, so we focused on the San Francisco Bay Area.
The business model is unverified - we didn't find anyone who would charge a fee for curating list of events. On the other hand, nobody lets you specify your interests in a detailed way.
Landing page is done, app is usable. Now it's time to face the market and get some feedback.