LinkedIn has become the first privately-held social media company to go public by selling its shares at $45 per unit. Surprisingly, in the first day of trading shares rose as 171 percent and closed at $94.25, more than 109 percent above the initial price. According to www.reuters.com, to date 7.84 million shares have been sold, which puts the company at a valuation of about $4.3 billion.

On May 06 Lynx introduced a real time social hub app allowing multiple users to post messages, photos and videos of their nights out to help them do what was previously deemed almost impossible—remember what happened yesterday night when the morning comes. So far only partygoers in the United Kingdom have this opportunity as it was only a soft launch. In three weeks, according to the brand, this software will be made available to general public using the existing social media outlets owned by the brand, such as the Lynx Facebook page, Youtube channel and the Lynx Effects website.

Volkswagen has partnered with LinkedIn to run a contest for the users of the professional network based in Netherlands. In a new campaign dubbed ‘LinkedUit’ (LinkedOut) and intergrating LinkedIn API, Volkswagen encourages the users to challenge each other and see who’s got a stronger profile on LinkedIn based on such criteria as education, work experience, number of LinkedIn connections, recommendations, etc.

To celebrate the release of new Snickers Peanutbutter Squares, Mars Chocolate North America has rolled out a new Facebook application that allows users to change the ‘Like’ button on their profile page into ‘Love’ button. This tool is a part of the online campaign aimed at attracting more Facebook users to the page dedicate to the newly-released Snickers Peanut Butter Squared.

The new product that consists of two square pieces is available in most mass, food and convenience stores and farmacies across the United States at a recommended price of $.89.