Google Maps, in partnership with The Catlin Seaview Survey, shows searchers what it is like underwater at UNESCO Marine World Heritage Sites in Belize and the Philippines. Through Google Maps, visitors to the sites can walk through the underwater worlds to explore the reefs, rocks and fish. While the Catlin Seaview Survey team has documented many underwater locations worldwide using their 360-degree panoramic SVII cameras, Google brings the images to many with Internet connections through Maps.

Marketers use nofollow links to tell search engines not to consider certain Web pages that might help some rank better, but Nicole Kohler believes there have "hidden power" that make them just as important as earning links. She explains how a nofollow link can lead to consumers spending money on a company's products or services and help earn more than domain authority. She provides examples.

Companies will spend more than $44 billion on Big Data this year -- the majority on IT services, per Gartner. Mahesh Kumar believes Big Data has a lot of growing up to do. Well -- not Big Data, but the marketers using it. To understand that path to maturity, Kumar provides examples of other industries that grew up on similar paths as industries attempt to turn raw into useful information.

Google gave us a glimpse of Project Tango Thursday in a Google+ post. The tablet has a 3D mapping and sensing capabilities. The device should become available to software developers in late June. The Project Tango Tablet Development Kit in collaboration with NVIDIA sports the Tegra K1 mobile processor. It's designed for computer vision and 3D sensing. Developers can use the Project Tango Tablet Development Kit to make applications that track full 3-dimensional motion and capture surfaces in the environment.

Hey, search marketers. You give the majority of your search budgets to Google. What about Amazon? Search marketers who care about ecommerce are likely barking up the wrong tree, Nathan Grimm tells us. Amazon should become far more important to search marketers supporting ecommerce, because it has roughly three times more search volume for products compared with Google. Grimm walks through key differences between Google and Amazon, results page mechanics, ranking factor and more.

Google said it will drop support for Internet Explorer 9 in AdWords June 30. IE users will only have access to AdWords through IE10 or IE11. The Google+ post recommends marketers upgrade before the cutoff date to the most recent version of IE or any of these supported Web browsers to avoid a loss in AdWords functions.

Google made several changes to AdSense this week, including tabs, URL colors and ad sizes. The company said it made the interface more intuitive and easier to navigate, changed the URL link color to light gray replacing the green color and, in an earlier post, released two new ad sizes 970 x 250 Billboard and the 300 x 1050 Portrait. 

A Google representative confirmed Thursday that the European right to be forgotten will not apply to the Google.com domain or country-specific Google domains outside of Europe, per PC World. The EU court simply applied the current Data Protection Directive to search engines. It all began after the European Court of Justice was asked by Spanish courts to rule on a case involving Costeja Gonzalez, a 58-year-old lawyer who claimed Google directed searches to outdated and irrelevant information about him, a 10-year-old Spanish newspaper notice about a mortgage foreclosure against him.

When Design Within Reach wanted to make modern design as accessible as its name suggests, the company turned toward social media and Instagram creating a campaign generating 1 million impressions through a creative design contest. More than 710 photos were submitted. The company also grew its Instagram following by 32%. Courtney Eckerly runs through the steps and the stats.

Jeremy Hull from iProspect is collaborating with three teams within the company to test and determine the incremental value of paid search. Test and schedule, establish a baseline, and define incremental changes are three tips Hull provides to determine the value of paid search to a brand's marketing mix. He details each and suggests ways to put the practices into action.