TechCrunch reports that the viewing public is spending more and more time online with sites like YouTube and Crackle thus confirming trends that LAist reported on this last fall. YouTube has experienced an increase in traffic of 18% over the last two months while Crackle has doubled it's audience. An LAist interview over a month ago with StumbleUpon's VP of Marketing confirmed this trend was happening. Last year LAist had the chance to talk......