Marketers wondering how to approach advanced segmentation in Google Analytics will find Glenn Gabe's tutorial chock-full of information. He introduces advanced segments, explains how this can help the process of identifying SEO problems, and walks through setting up an advanced segment, which Gabe defines as a slice of Web site traffic.

Felicia Coover tells us about an algorithm change supporting traffic estimates for keywords for paid-search campaigns. Traffic estimates help search marketers to evaluate potential keywords to decide whether they should add them, and help determine whether bids and budgets are appropriate for these new keywords. Coover explains how the metrics can improve bid adjustment strategies and ad text writing to grow the campaign.

Sherice Jacob approaches speed load times with a new twist: decreasing load times to increase sales. Jacob points to a report from Akamai and Gomez.com that suggests that nearly half of Web users expect a site to load in 2 seconds or less, and tend to abandon a site that doesn't load within 3 seconds. But can the speed of a Web site have that much of an effect on your sales? Jacob explains.

The Daily Beast discovered that Facebook hired top PR firm Burson-Marsteller to launch a "whisper campaign" about Google. Dan Lyons explains how it all went down and what the Facebook spokesperson said when confronted with the evidence. Lyons does a good job of summarizing the events and adding perspective.

Aaron Wall tells us about another problem with Google's Panda algorithm update: Some Web sites can't purchase AdWords ads. Patrick Jordan, whose Web site got hit by being in violation of Google's site policies, also had an AdWords mobile campaign disapproved for the same reasons. Wall details what he believes constitutes "(a rather long and egregious series of) mistakes."

The data research firm Experian Hitwise launched a search service in the United Kingdom, Hitwise Search Services, according to Chloe Rigby. The service will help marketers discover how consumers search for the products and services in their market.

eMarketer estimates the amount advertisers will spend on mobile search ads will contribute 27% of the U.S. mobile ad market this year, rising 34% by 2014. The research firm tells us how searches on smartphones fit into the purchase funnel and what advertisers can do to take advantage of the change.

Rand Fishkin points to a post from Tony Adam titled "Should I use the Canonical Tag or 301 Redirect to change domains," and to research SCOmoz did. Fishkin discusses the cross-domain canonical tag on "The Story of SEOmoz" blog post and effect from it.

Aaron Wall steps through a dozen keyword organizational tools and tips. Some include RKG Duck, Wordstream Keyword Grouper, SpyFu Keyword Groupie and Rank Checker. Wall looks at features for each, suggesting, for example, free keyword cloud tools like Wordle, as well as tools like Many Eyes can help users see word relationships for a page and convey concepts to management, he writes.

Traveling this summer? Bing launched a Facebook application called "Bing Wish List." The app furthers the engine's relationship with the social network. Travel is a profitable topic on the web, and it's one of the few places Bing has an edge on Google, according to Rob Young. He points to Bing building an app in Facebook as something to watch, as well.