What can you do with a "computational" engine? Well, according to Wolfram Alpha, you can recreate the moment Galileo pointed his telescope at the planet Jupiter and discovered its moons. This post tells you how. It also provides instructions on what to type into the search engine to find out more about each "Galilean moon," the ones he saw 400 years ago: Io, Europa, Ganymede, and Callisto. And while the post offers lots of valuable information, the author also tries to compare the efforts of the computational engine's co-creator, Stephen Wolfram, to Galileo, which of course is just plain silly.

Jill Whalen chronicles her decade of SEO in a blog separated by year, beginning with 2000. The post not only lists events, but memorable quotes, as well. It's an interesting look back in time. Some of the notations have links, while others don't. One entry from 2000 reads: "The engines and directories that we were talking about: Lycos, Excite (almost dead by 2001), Snap (soon changed to NBCi), LookSmart, Go (formerly Infoseek), Hotbot, AltaVista and, yes, Google." Well, you get the picture.

It's time to determine whether your pre-holiday optimization strategy worked, so you can plan for this year by analyzing what did and didn't work, according to Brian. He details why it's important not only to look at impressions, but also click-through and conversion rates. This will tell you the strategies to keep and to discard. If you had a significant improvement from your ads during the holidays, he suggests trying to incorporate some of the changes into your current ads. And while you can't run Christmas sale ads, you can try January or New Year special offers to hang on …

Rachel Andersen looks at how to best build TrustRank in the search engines algorithms. She clearly states what SEO professionals know, but rarely discuss. She reminds us that using SEO techniques to optimize a site is different from building trust. Building trust is just as time consuming as SEO. So, it's important to manage expectations of your site visitors, develop links and authoritative content, and prove it all with supporting content. Andersen details her four bullet-point topics, providing tips and tricks for each.

Search Engine Roundtable has identified an issue with modifying the settings in the Google Custom Search Engine (Google CSE). Google has acknowledged the problem and posted a note on its help form that lets people know they are aware of the issue and remain hard at work to fix the problem as soon as possible.

Are you Googled out? Or do you just need a little Caffeine? Rick Egan believes it's time to prepare for Google's new ranking factor for Caffeine and provides tips on how to get started. He explains Google will introduce some new factors, and greater weight put on others. He points to page-load time, the one new factor that has gained the most importance and attention. And while the page-load time has been a factor in Google's Quality Score for some time, the need for webmasters to optimize for speed should be viewed as nothing new. Up until now, however, it …

Panda Security has published its annual malware report. The findings aren't pretty. Warwick Ashford summarizes the report. He tells us spam was a major problem. The automotive, electrical and government sectors were the hardest hit by spam, representing about 99% of all emails received. Social networks like Facebook, Twitter, YouTube and Digg were the most popular channels for malware distribution, he writes.

Matt Umbro reminds PPC experts to consider other metrics, along with paid clicks, when determining the success of a campaign because accurate measurements shouldn't stop with the click of an ad. He believes you need to analyze the quality of conversions pre- and post-click. So, he advices you to continue following the metrics into Web site analytics. Demonstrating the best way to integrate the metrics, he provides an example and tells us the three points the analytic metrics reveal.

Jake Hird caught up with Cisco's Zoe Sands to talk about mobile marketing and complexities surrounding a campaign strategy. In the interview, the two discuss core foundations, adoption rates, how Cisco taps mobile marketing, metrics to consider, and more. Sands also shares warnings and advice to marketers either starting out or considering running mobile campaigns. When the conversation turned toward innovations in 2010, Sands mentions Google's investment in mobile, including AdMob, and how Apple's iPhone has made inroads into optimization

Miriam Ellis objects to Google's decision to remove the ability to see local results in the United States, Canada and the United Kingdom in Google Maps (7-Pack). The information had been available to Web designers, graphic design, SEOs or advertising agents when paired with the City and Street in local listings, but now it's gone. "I think Google has goofed," she writes, pointing to a few posts from SEO experts focused on local to support her theory. She adds that Google's newest policy change has done more to offend and distance the people who act as the liaison between small …