SEO Roundtable has a roundup of the Martin Luther King Jr. holiday logos.

Owner Mag on the usefulness of Twitter lists.

What are the most photographed cities on Earth according to Google? New York is #1, with Rome in 2nd place.

Matt Cutts could not make it any clearer about how Google feels about guest blogging for SEO purposes: “So stick a fork in it: guest blogging is done; it’s just gotten too spammy. In general I wouldn’t recommend accepting a guest blog post unless you are willing to vouch for someone personally or know them well.” Two hundred comments and counting…

More Google: while it’s working on contact lenses for diabetics it might also want to do a little R&D on remedies for tin ears at incredibly large companies. Google’s bus memo is causing more transportation friction in San Francisco. Reading it and the comments, it almost feels like a “town and gown” issue, which is odd considering where this is happening.

Thanks to Library Stuff for the pointer that the George W. Bush Library and Archives are now open to the general public.

Ooo! Pinterest is experimenting with GIFs.

Phil Bradley has a quick tip on a site called Zero Dollar Movies. It’s a site that lists 15,000 full-length movies available for free on YouTube. The site says it focuses on English and Hindi (Bollywood) movies.

Wellcome Images is releasing over 100,000 high resolution images under a Creative Commons license (CC-BY). “The earliest item is an Egyptian prescription on papyrus, and treasures include exquisite medieval illuminated manuscripts and anatomical drawings, from delicate 16th century fugitive sheets, whose hinged paper flaps reveal hidden viscera to Paolo Mascagni’s vibrantly coloured etching of an ‘exploded’ torso.” Good morning, Internet…

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