
LinkedIn is full of good news these days. Their stock is up nearly 200% over its IPO price, their CEO is impressing the street with a smart evaluation of the future of social and their growth has been incredible, at around 150 million users. To add to this, they are doing well internationally as evidenced by their recent announcement of hitting 1m users in Indonesia.

As the first investment for recently formed capital group The Mailroom Fund, Sometrics launched last year in hopes of leveraging the increasing cross-network presence of user applications on the web. Over a year later, Sometrics is reporting 1,800 publishers of social applications and communities now using its social advertising and measurement solutions, with 1 billion ads served across its participating sites and networks.