Below are Search Engine Land’s 10 most popular stories from September 2007:

1) Google Birthday Logo: Nine Years Old – The Google home page is sporting the special logo celebrating the company’s ninth birthday. But wait? Didn’t Google just turn 10? Google’s domain name turned 10 years old on September 15, but the company itself celebrates its incorporation date in September 1998. But when is that incorporation date: Sept. 7 or Sept. 27?

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2) Larryos, Raisin Brin, Porn Flakes & Other Google Cereals – I was at Google last month and did a double-take at the wall art up near one of the mini-kitchens. It featured familiar cereal brands morphed with Google personalities like Larry Page (Larryos) and Sergey Brin (Raisin Brin). I shot a few pictures, below, plus here’s some of the backstory.

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3) Google Maps Causes US Navy To Change Its Swastika Building – You have to feel a bit sorry for the US Navy. They have a building in California that looks like a swastika from the air. But who looks at buildings from the air? Until Google Maps popularized easy access to aerial views, only the occasional bored air traveler. But thanks to Google Maps, the swastika building got known, discussed, and now is being camouflaged.

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4) Google Is 10 Years Old? Finding The Real Google Birthday – The AFP has clearly been waiting for September 15, so it could trot out today’s "Google is 10 years old" story. But the company itself doesn’t count tomorrow as its 10th birthday. In fact, knowing exactly when Google’s birthday is depends on your point of view. Some milestones to consider below, which make Google as old as 12 and as young as 9. Plus, more special Google birthday logos.

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5) Google Health’s Adam Bosworth Leaves Google – I got a tip that Google vice president Adam Bosworth, who headed up the Google Health project, had left Google. Now Google has provided me with the first confirmation this is so — Bosworth is leaving the company.

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6) Google Fight: Nokia & Apple Ads Trade Blows Over iPhone Price Cut – Bought that iPhone and now upset over the $200 price drop after it’s been out only 60 days? Nokia’s guessing plenty are and reaching out to them on Google via search ads. But Apple’s not sitting back in the face of the Nokia ad campaign. Apple has put out its own counter ads. The ad actually came from an Apple affiliate.

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7) Eleven Tips For Optimizing PDFs For Search Engines – The SEO purist may argue why anyone would ever want to use PDF content on a website for search purposes. The reality, however, is that many businesses have a lot of PDF assets. These may include sell sheets, brochures, white papers, technical briefs, etc. You can optimize PDFs to get high-ranking search results. Here are some tips on the right way to do it.

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8) Facebook Opens Profiles To Tap Into Google Traffic, While Google Grabs Facebook’s News Feed Idea – Google is getting a bit more like Facebook by enabling a Facebook-style news feed within its Orkut social networking site, while the king of the walled gardens Facebook acknowledges in actions (rather than words) that it really can’t go it alone without search engines like Google, as it prepares to let crawlers into its public user profiles. Actually, Facebook is telling its users that existing profiles already accessible to search engines will be exposed even more. More on the moves, with lots of screenshots and explanations.

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9) Meta Keywords Tag 101: How To "Legally" Hide Words On Your Pages For Search Engines - If there’s anything I particularly hate when it comes to SEO, it’s the meta keywords tag. I so wish it had never been invented. It’s practically useless, yet people still obsess over it. In this article, I’ll explain more about why you shouldn’t worry about it except perhaps for misspellings, as well as which search engines support it.

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10) An Untapped SEO Opportunity: Image Link Love From Wikipedia – Suppose I told you about a way to create viral links on Wikipedia without raising objections from the site’s volunteers. Would I have your attention? The key is images.

To see all of our most popular stories over time, visit our Most Popular Stories page.

Related Topics: Most Popular Stories

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About The Author: Danny Sullivan is editor-in-chief of Search Engine Land. He’s a widely cited authority on search engines and search marketing issues who has covered the space since 1996. Danny also oversees Search Engine Land’s SMX: Search Marketing Expo conference series. He maintains a personal blog called Daggle (and maintains his disclosures page there). He can be found on Facebook, Google + and microblogs on Twitter as @dannysullivan. See more articles by Danny Sullivan

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