Echo Nest Points Out Flaws in Facebook Music – The CEO of Echo Nest, a music industry service provider, published a blog post this week outlining technical problems with Facebook’s music sharing system. It criticizes errors in how Facebook IDs songs that prevents music shared from one service such as Spotify from being played in a different service such as Rdio.

Wal-Mart Offers Localized Deals for Fans – Wal-Mart and Facebook have partnered to offer the retailer’s Facebook fans deals localized to its 3,500 locations in the U.S. Facebook is not working with other merchants in a similar way because of a lack of resources. We wrote about similar types of deals previously, when Facebook tested tools allowing corporations to administrate all the Places pages of the local instances of their business.

Ooyala Analyzes Facebook Videos – Ooyala recently released a video analysis tool, Custom Analytics with Business Dimension Reporting. The tool helps users segment audiences based on behavior on the Facebook platform.

Flowtown Acquired by Demandforce - Small business marketing firm Flowtown was acquired by Demandforce, a marketing solutions company.

BrightEdge Leverages Open Graph – BrightEdge released a new solution for Facebook Pages trying to improve their SEO, the S3 edition includes things like open graph tags, improved search rankings help, engagement measurement and more.

Other Announcements:

Buddy Media Opens San Francisco, Singapore Offices – Buddy Media has opened new offices in San Francisco and Singapore.

Votigo Launches Self-Service Platform, Offers – Votigo has launched self-service access to its social media promotions platform this week. As part of the promotion, the company is offering contest and sweepstakes apps for two cents to the first 2,000 businesses creating a promotion with the platform before the end of October.