Our weekly roundup of noteworthy happenings in the world of social-media, marketing, and analytics.

• Nerds use social networking to find big red balloons. Would you like that $40,000 in cash or check? MIT students quickly solved Darpa’s treasure hunt by going viral.
• See traditional and digital marketing integration at its finest: 5 companies that got it right in 2009.
• I call your “search-engine optimization” and raise you “real-time search” plus a huge dose of social-branding reality. The nimble behemoth continues to evolve as Google integrates real-time search.
• Now when drug dealers say, “everybody’s doing it,” they’re telling the truth. Pharmaceutical companies take their recommended dose of social-media medication.
• Step right up. Don’t be shy. Brands look to flex their marketing muscles on the social web.
• CEO: Are you sure this is going to work? CMO: 2/3 of us think so. Companies to increase social media budgets in 2010.
• Come out, come out, wherever you are. The location-based social networking space just got a little more crowded.
• I want $55k/year, 401(k), vacation, stock options, medical/dental insurance, tuition reimbursement, gym membership, and access to my social networks. See the future of employee compensation demands.