Yahoo is reportedly eyeing Foursquare for around $900 million. “One source says that the ‘deal is done’ but details are still being ironed out,” TechCrunch reports. “Yet other sources at Yahoo tell us they have heard nothing — nada — about the deal. Either this is elaborate, bicoastal speculation, or it is happening with only a select circle privy to what is going on.” 

MediaPost will host the summer Search Insider Summit at the Kiawah Island Golf Resort in South Carolina, June 10 through June 13, 2015. Wish you were here? The three-day event will explore consumer behavior as search engines lose their interface; the new Don Draper, the creative search nerd; what advertising looks like on wearable devices, the art of mobile ranking and paid search, and more. Brands and agencies interested in participating in one of the panels, email Laurie Sullivan at sullivan@mediapost.com.

Larry Kim identifies a Google experiment with providing users with commercial results in the Answer Box on desktop and mobile devices. The test first spotted by cognitiveSEO on Twitter shows a screenshot of a tweet taken from a mobile device for the search term "smallest car camera" demonstrates the test. Kim calls it a blend between a traditional Answer Box result and a Shopping Ad.

There are several ways to structure Google Shopping campaigns, per Matt Umbro. He explains his preferences, generally setting bids at the product group level instead of the individual SKU allowing the data to dictate the products that convert better for the more generic queries. He guides marketers through the process and provides the results. Umbro explains. 

The Department of Business Oversight (DBO) announced an initiative to ensure major Internet search engines block advertising in California by unlicensed payday lenders. The DBO effort covers Microsoft Bing, Yahoo and Google. The DBO consulted with Microsoft and Google when developing its initiative. As part of those discussions, the DBO provided both firms lists of unlicensed lenders hit with enforcement actions. Using those lists, Microsoft and Google have now blocked ads from 39 unlicensed lenders.

6D Global Technologies announced Monday a Google partnership. The company became an Analytics Premium Reseller and Certified Partner, as a result of its recent acquisition of SwellPath, a Web analytics and digital marketing services provider in Portland, Ore. The offering is geared toward large companies processing high volumes of data.

Here's a look behind the scenes at Memex technology created by DARPA -- the technology that allows law enforcement agencies looking to counter crime on dark-Web networks, the deep dark underbelly where guns, people and drugs are sold. The Memex team wants to get a better understanding of what hidden services are running on networks like Tor, and those seeking the information don't believe Google, Microsoft Bing and Yahoo are adequate engines to do this type of in-depth search.

Rand Fishkin explains to what extent Google is likely using information about the location of devices, historic searches, phone calendar entries and more to serve content and information based on search queries. Fishkin provides a list. Knowing this, he explains how personalized searches work and offers five ways that marketers can improve performance.

People make big mistakes when calculating return on investment (ROI). Joe Knight explains the most common mistakes people make when calculating ROI using a big purchase like a fleet of cars or manufacturing equipment, but marketers can use the same road map for designing search engine marketing campaigns or purchasing other digital media. Granted, buying hardware is probably a lot easier to calculate, because there are numerous unexpected events when buying digital media, but this should serve as a good framework to check and recheck your work.

Stephanie Hannon, Google director of product management for civic innovation and social impact, will become the Hillary Clinton campaign's chief technology officer, according to the Washington Post, citing Democrats speaking on the condition of anonymity. At Google, Hannon focuses on building technology to help communities respond to natural disasters and share information about elections.