Since recommendations continue as an important form of referral, Kristi Hines put together a list of ways to acquire testimonials and reviews. Hines tells us how they can work to a company's advantage, but also provides insight into the negative side of reviews.

Kayla Kurtz serves up five tips to improve quality score in paid-search campaigns, complementing the recently released guide. Creating tightly themed keyword groups, using targeted and specialized ad copy, and placing the keyword on the landing page are a few of the top tips she suggests in this week's video. The series, published on Wednesday, covers a variety of paid-search topics.

The "father of Java," James Gosling, has left Google to join the Sunnyvale 4-year-old startup Liquid Robotics -- which collects and transmits data from the ocean floor for a variety of uses, according to Jeremy C. Owens. The Wave Gliders are powered by wave energy. He's working for former Sun Microsystems friend Liquid Robotics CEO Bill Vass.

Marketers managing "high-speed" and "high-volume" campaigns, or looking to get a job at a large search agency, might find the tips from Justin Freid helpful. He explains how to monitor account performance and identify offline factors that might influence campaign conversion performance. Since testing campaigns can become incredibly time-consuming, he also suggests developing a standard ad testing procedure so the task doesn't eat into other aspects of running accounts.