Patrick Altoft points to the annual Marketing Services Guide that details the turnover and staff levels of 36 U.K. search agencies. He compares the number of staff at some agencies with the turnover, suggesting this is useful to figure out how important search is to a company's revenue stream. According to Altoft, the numbers suggest that big agencies appearing to specialize in organic and paid search don't really make much money from it. The numbers are in euros.

Ann Smarty reviews a Firefox add-on called HeadingsMap that allows you to quickly check the consistent and logical heading structures of a page, and navigate through the page using the headings. Smarty provides screen shots to walk you through this evaluation of a page's semantic structure.

Chris Dixon believes Facebook will dominate display ads the way Google dominates text ads. He points to reports that Facebook will soon follow AdSense by introducing an "off-property" ad network. Facebook will try to tap into its base of advertisers to dominate intent-generating ads. Dixon explains what the company will need to introduce before that happens and how the "Like" button will come into play. As an example not in the post, the National Hockey League reported its official Web site has seen an 80% increase in referral traffic from Facebook, as people interact with Facebook's Like button, as well …

Google says it will close the Web portal launched to sell the Nexus One phone and other Android devices as it transitions more sales to retail stores. "Once we have increased the availability of Nexus One devices in stores, we'll stop selling handsets via the Web store, and will instead use it as an online store window to showcase a variety of Android phones available globally," Andy Rubin wrote in a blog post. The change aims to help get more phones to people quicker, which becomes better for the entire Android ecosystem, including consumers, developers, partners and Google.

Loren Baker points to a job opening at MySpace. Apparently, the social site seeks an SEO manager to work under "my BFF Tony Adam" in its Beverly Hills office. Big changes at MySpace appear to have the site searching for someone to help support SEO campaigns. Baker calls it an opportunity to get involved with the reconstruction of what he calls "one of the most popular destinations on the Internet."

Rand Fishkin makes an interesting point: search engines don't publish comprehensive guidelines or even guidelines that cover one-tenth of the material necessary to perform SEO work well. The lack of standards "suck[s]," but Fishkin looks at some lingering falsehoods that continue to thwart good SEO efforts. This long post covers everything from how personalization influences rankings to how Google treats reciprocal links to whether H1 tags affect rankings.

Matt Cutts runs through nearly 40 Android apps he "loves." It's not a complete list, he explains, but it's a good start. There are apps for music and sound, social apps, cool demos, signal strength, bar codes and QR codes, and core apps. For example, he names "Where's My Droid" as one of his favorites. If you lose your phone and it's in silent mode, this app will text a message from another phone to turn the ringer on the silenced phone.

Finding SEO tools with intuitive project management software that triggers automatic alerts when certain things change can be very helpful when trying to manage multiple campaigns. Vanillacoke points to Advanced Web Ranking (AWR), a software tool you can purchase alone or bundled with Advanced Link Manager.

Andrew Shotland tells us about some "crazy games" Google has been playing during the past couple of weeks. Recently, Webmaster Tools delivered a surprise: Crawl rates went through the roof. Initially he wrote "I haven't seen a commensurate change in traffic"; in an update, he noted that this may have been a reporting glitch.

Diran Hafiz serves up tips to marketing professionals looking for guidance in monitoring and adjusting key performance indicators (KPIs) that determine the success of a PPC campaign. Hafiz lists five things any search marketer should do to drive the best results for campaigns.