Websites that display Twitter’s Tweet button on their homepage get seven times more social media mentions than sites without the button, according to a new report out today from enterprise SEO platform provider BrightEdge. That figure is based on an analysis of more than 4 million tweets.

Microsoft's Bing search engine and MSN appear to have tied the knot with Twitter in a commitment ceremony played out online Tuesday afternoon. In a series of posts back and forth between the Bing and Twitter Twitter accounts, the two sides agreed to "stick together and do bigger and better things".

What happened in search today, as reported on Search Engine Land and from other places across the web.

A little more than a year after its launch, SEO management platform BrightEdge is re-branding itself as something quite bigger with the release of the S3 platform, which pulls together site, search and social data for multi-channel brand optimization and marketing.

The explosion of data produced by search and social signals captured through technology continues to force search platform providers to redesign tools supporting advertising clients. BrightEdge becomes the latest to combine and use Web site, search and social signals.

Today: Google (GOOG) announces Google Music as its host of other services continue to grow. Also: Barnes & Noble's Nook Tablet released a day early, and positive economic news can't stop stocks from dropping.

Google+ continues to roll out new updates and tools for its social networking platform. Google announced Wednesday that news organizations and companies that have created a Google+ page could affix a code in their social networking badges so that people could not only share information on a website by choosing to click +1, but also by adding the page or company to their Google+ circle.

SEO firm BrightEdge is reporting that 61 percent of world’s top 100 brands have already created Google+ pages. As we reported last week, Google launched “Pages” for Google+ to allows brands, products, companies, businesses, and organizations to build their very own tailored Google+ presence.

Adobe has integrated digital marketing suite technology from search engine optimization platform provider BrightEdge to support search marketing campaigns. The companies plan to announce the integration on Monday.

Brands recognize that search marketing has a strong ROI, with 72 percent of recently surveyed search marketers indicating they plan to increase their SEM technology spend this year over 2011. 26 percent foresee spending at the same level, while just 2 percent of respondents intend to reduce their investments in search marketing technology. The maturity of enterprise SEO platforms has reached mainstream adoption, notes BrightEdge in their 2012 Search Marketers Survey report.