Felicia Coover gives us the rundown of the top paid-search and SEO posts for March based on page views. Among the most-read posts on the site, Coover recaps Jessica's piece on AdWords remarketing that describes an overview on using this tool. Her insight reminds marketers to consider free trial offers or downloads, which some might only use during the holidays. She also shares how remarketing helped Hanapin continue to solve display network challenges for clients.

Aaron Wall tells us about Majestic SEO's recently released site explorer tool for optimization newbies that's not as in-depth to use as Open Site Explorer. The Fresh Site tool provides access to more data at a glance without overwhelming marketers attempting to optimize sites. Screen shots and descriptions offer insight into the tool.

Sixty-eight percent of tablet users spend at least one hour daily on their tablet, and 77% say their desktop or laptop use fell after they began using it. That's according to a Google survey of 1,400 tablet users. The tech company estimates more than 165 million tablets will ship during the next two years.

Maggie Shiels provides an overview of the changes Larry Page prompted stepping into the CEO role at Google, from the departure of Jonathan Rosenberg, SVP of product management, to the appointment of Andy Rubin, who ran Android, as SVP of mobile. Sundar Pichai takes the role of Chrome SVP.

Conversion rate optimization and on-site optimization could help marketers get the most out of SEO. Here's a tale that might sound familiar, with more tips and tricks on optimizing through a variety of techniques.

Wolfram Alpha Research has created a challenge that requires participants to watch an interactive demonstration. Answering eight questions correctly could earn the viewer the grand prize: a copy of the computational tool Mathematica 8, $300 ThinkGeek gift card and a Wolfram Spikey sculpture kit. There are also second- through fourth-place prizes for the first 100 correct submissions.

Advertisers gained AdWords free phone support, Google announced Tuesday. The support begins in the U.S., but the plan is to roll it out to other countries in the coming months. There are free online courses, too. Francoise Brougher, vice president of global advertising and product operations at Google, points to the help line phone number, and reminds us there are free online courses, too.

Crispin Sheridan serves up four reasons that every boss should know about social media's influence on SEO and its brand. Sheridan suggests marketers should start by going to their preferred search engine and enter in the keyword search box the company's brand name and the word "sucks." "Fair warning ... brace yourself before you do." Social media takes marketers back to their roots by helping them get to know potential or existing customers better, including their likes and dislikes.

Kate Morris takes a look back at the prior year to gauge changes in the SEO industry. Not in any particular order of importance or timeline, she runs through Google's recent algorithm changes, Google Instant, Bing-Yahoo search alliance, Google's loss of U.S. market share, among others. She tells us it's not a walk down memory lane, but rather a benchmark for how far the industry has come, as well as providing insight into its future.

Jonah Berger tells us about a SEO audit of the top 30 retail sites using Performics' best practices. He wanted to identify big brands in jeopardy of being penalized by Google for what the industry has deemed high-risk link building. The red flags included manipulating anchor text in inbound links, linking from irrelevant or unrelated sites, and link spam. After discovering several retail sites that use questionable link-building practices, he offers advice on how to protect brands.