The promise of eCommerce continues to tantalize New-Market-Entrepreneurs. According to Greylock’s James Slavet, E-commerce is now more than four times the size of the annual online advertising market. Yet it’s only four percent penetrated. Read here an interesting piece that describes why eComm entrepreneurs have a new twinkle in their eye and how some of them are breaking new ground. Of course, this is a puff-piece penned by a proud VC about a new fav-investment. Nonetheless, there are some great insights about where the space is heading.