No company is perfect. Not even Google. So, marketers who sent email campaigns to or from Gmail accounts last week may want to check their recipient list. Yvonne Bell points to a bug in Google Gmail that blacklisted users. The bug resent multiple emails, even when the recipient deleted the message. Google believes this bug only affected less than 2.5% of its 176 million users, Bell tells us. A Google employee wrote and posted an apology on the Gmail help form.

Geordie explains how to integrate Search Query Reports into the Search campaigns Keywords tab in an effort to simplify adding negative keywords and site placements to campaigns. It can take a couple of days to fully populate the report with results, so make sure to provide enough time. For the exception of slight differences, the same approach works when adding negative site placements to campaign.

Bill Slawski identifies a Google patent describing how the search engine might collect information from a blog, such as the title, author, and related feed data as it attempts to understand the content. He tells us the patent technology doesn't focus on ranking individual blog posts for a particular query, but rather determine if a blog should rank for that query.

Tax the bloggers, according to Lisa Barone, who believes it could bring professionalism to the "hobby" of blogging. She thinks taxing bloggers would help bring credibility to the profession, and proposes a fixed blogging fee to put the plan in action. If you're appalled by the idea of having to pay a one-time lifetime fee of $300, she writes, then maybe you shouldn't be blogging at all.

In a Twitter tweet, Matt Cutts points to a design document for how Chrome will accelerate the ability render using graphics processing units (GPUs). Although a little geeky, the document provides background and details on the implementation of hardware accelerated compositing in Chrome. The specs explain that new APIs and markup like WebGL and 3D CSS transforms are a major motivation for this work, but it also lets Chromium begin to take advantage of the GPU to speed up its entire drawing model. It means faster and better graphics.

Michael Gray says you should keep articles narrowly focused and keyword-centric to gain better SEO ranking because many times topics become too broad and convoluted. Gray provides a list of options that will help optimize the content, and suggests dividing up a broader topic into "much more in-depth, narrowly focused 'tail' articles first and [then] backing your way into the main or 'head' article."

TrustRank: heard of it? David Harry defines it as a concept that describes the trust link structure between articles. He explains generally good Web sites link to other good Web sites, and bad to bad. Quality Web sites don't typically link to those filled with spam. So, he provides a checklist to help remain a good neighbor, including how to control the flow of PageRank.

Rand Fishkin explains how to turn boring product pages into unique and interesting content -- a topical subject with the holiday season approaching. He walks through ways to outsell the same product 100 other stores on the Web do, and suggests marketers develop user-generated content like comments and ratings.

Matt Cutts pushed Google aside for a week's vacation to climb Mount Kilimanjaro, penning about his experience in a blog post when he returned. Aside from providing lots of photographs, insight into his experience and the preparations it required to get there, Cutts provides a few tips on climbing the mountain in case others decide to go.

Rand Fishkin gives us more than six options to replace Yahoo's Link and Linkdomain search commands. He tells us that while Yahoo will maintain the Site Explorer service, the use of advanced query parameters on searches using the link and linkdomain operators will no longer return results.