Click to viewUntil we found this image from Google London's bathrooms on Blogoscoped, we didn't know how Googlers carved out 20 percent of their time to spend on side projects. Here's how: Learning about "defragging" their computers when they're already busy doing something not too dissimilar with a biological system. Maybe you know what we're getting at, and could put it better? Write your own caption for the photo in the comments below, and we'll retitle the post with the best one. Friday's winner was ThatKid with "On a Segway, you don't have dress like as a donkey to look like an ass." (He didn't get the bonus points, though.)

Denver's a sprawling city, so we can't decide whether MSNBC's elephant-and-donkey mascots rode Segways at the Democratic National Convention as a blogger-baiting publicity stunt or a practical transportation move. Can you think of a better caption? Leave it in the comments. The best one will become the new headline. (Bonus points to those who avoid the obvious "asses of themselves" joke.) Yesterday's winner: Duncan, for "When I grow up, I want to become President." (Photo by Steve Rhodes)

Hunky God-mayor Gavin Newsom tries out his new stand-up routine at the Unconventional '08 party in Denver, in front of a backdrop featuring Shepard Fairey's Soviet-kitsch Barack Obama propaganda and a hipster mashup of Obama as Illinois Republican Abraham Lincoln. Care to heckle San Francisco's mayor? Best caption in the comments becomes the new headline. Yesterday's winner: "Ask me about our affordable day care plans!" by null. (Photo by Steve Rhodes)

For those stressed out at the Democratic National Convention in Denver, Colo. this week, the Google "Retreat" offered a refreshing smoothie and a free, ten-minute massage. Because nothing says "Stick it to the man!" like a rubdown from your friendly search-engine overlords. Think you're funny? Best caption submitted in the comments will get ranked first as the headline. Yesterday's winner was auntanna for "Mark is all smiles until Dave explains the 'vomitorium.'" (Photo by Steve Rhodes)

From a tipster: Omnipresent Facebook evangelist Dave Morin shows up at his company's impromptu toga party to celebrate the social networks' 100 millionth user. To the left, CEO Mark Zuckerberg; on the right, togaless Facebook cofounder Dustin Moskovitz. Can you think of a better caption? Leave your suggestion in the comments; the best one will become the post's new headline. Yesterday's winner: "Bathroom line turns ugly at Gnomedex," by WagCurious.

How do you make money in online video? For viral jigster Matt Harding, it seems motivational appearances for corporations and geek get-togethers could be quite a profitable side-business — here he convinces the crowd in Seattle to rush the stage. Care to write a better caption? Best one becomes the post's new headline. Friday's winner is jdistani for "@ev will you follow me now?" (Photo by Randy Stewart)

Sent in by a tipster: A leg bedecked with a tattoo of Twitter's "fail whale," the cetacean mascot deployed when the short-updates site takes on water. Can you think of a better caption? Leave your suggestion in the comments. The best one will become the new headline. Yesterday's winner is trisomy21 with "Sergey, we're going to need more dark fiber." (Photo by morrowplanet)

Not sure how Googlers get much world-changing innovation done when the itis strikes after employees at the New York office lunch on a "Luther burger" from the Hemispheres cafe. But apparently it's quite popular. Think you're so funny? Suggest a better caption and we'll make our favorite the new title. Yesterday's winner, by popular acclaim, was seanpercival for "I'm feeling lucky." (Photo by satanslaundromat)

A couple makes out in a quiet area during the Google Dance last night — a traditional part of the festivities for the Search Engine Strategies conference. Bet they can't wait until the Mountain View search giant reaches 69 percent market penetration. We know you can do better, so crack wise in the comments and we'll make the best one the new title. Yesterday's winner was kimbjo with "Wish I was a little bit taller, wish I was a baller ..." (Photo by Roshan Vyas)

WordPress creator Matt Mullenweg trades Google gaming tips with Charles "Moserious" Lewis, the MC of SEO, at WordCamp last weekend on the UCSF campus. We know you can do better, so crack wise in the comments and we'll make the best one the new title. Yesterday's winner was TimsBoot for "With nerds and Twitter behind me I will rule the world." (Photo by Alan Levine)

From right to left, Sutter Hill Ventures's Greg Sands, Zynga CEO Mark Pincus, Barack Obama, Pincus's new wife Alison Gelb Pincus, Craigslist founder Craig Newmark and "the girlfriend," Eileen Whelply. We know you can do better, so crack wise in the comments and we'll make the best one the new title. Friday's winner was sample032 for "Who killed my electric car?" (And not just because he showed up to the happy hour in Mountain View.) (Photo by Steve Jurvetson)

Yes, it's the deliciously ironic road incident that's inspired it's own "How many VC's does it take to push a Tesla Roadster?" joke. So we had to revisit. Keep the punchlines coming in the comments we'll make one the title of the post. Yesterday's winner was ROIpositive for "Pardon me, do you have any grey poupon?"

Amazon.com's electronic-book reader, the Kindle, is a rare find in the wild. The only place we've ever spotted one was in New York's subway system. And that's where a Valleywag reader found this specimen yesterday. Unfortunately, in his excitement, our volunteer paparazzo may have startled the rare creature, perhaps disturbing its mating cycle. You can tell by looking at its eyes. Can you come up with a better caption? Do so in the comments and we'll rename the post with the best one. Yesterday's winner is Sample32 with "This picture would be 10x better if it was accompanied by Australian accents."

Bruno Fiorentini, COO of Yahoo 7 in Australia, dons a purple cape and underwear at the company's Sydney office. And everybody thought Jon Miller would be the man to swoop in and try to save the company. Write your own caption for this post and we'll use the best one as its new title. Yesterday's winner is theodp for "Honey, I shrunk the party jet." (Photo by Yun Huang Yong)

Google hosted the latest Science Foo "camp" — a conference, really, but calling it a "camp" brings out the engineers — put on by O'Reilly and Nature Publishing Group. We know traffic on 101 is terrible. Most regions would solve the problem with better public transportation — only in the Valley would anyone still hold on to the dream of private flying automobiles. Write your own caption for this post and we'll use the best one as its new title. Yesterday's winner is ThatKid for "Ten cameras, and none of them captured the real story." (Photo by Matt Brown)

Rielle Hunter videotapes a John Edwards interview amidst the evil mainstream media on the morning of Edwards's official announcement of his failed bid for the Democratic Party's nomination. Write your own caption for this post and we'll use the best one as its new title. Friday's winner is godospoons for "Honey, you're not John Battelle!"(Photo by Robert Scoble)

The lovely couple and founding partners of Mule Design demonstrate for wantrepreneurs the proper technique for courting clients and investors at the Start conference in Fort Mason yesterday evening. Write your own caption for this post and we'll use the best one as its new title. Yesterday's winner is ClosingTag for "For the last time, I'm not Michelle Malkin!" (Photo by Scott Beale / Laughing Squid)

The newly toned down sartorial stylings of Wikipedia co-founder Jimmy "Jimbo" Wales isn't enough to overcome one woman's savvy caution. Write your own caption for this post and we'll use the best one as its new title. Yesterday's winner is godospoons for "William Hung stars on the new season of 'So They Think You Askance?'" (Photo by Chih Hau)

Matt Harding, the round-the-world dancing guy, was flown out to Yahoo to provide a morale booster for the beleaguered troops — and CEO Jerry Yang put on quite the show in a video broadcast to all employees. Shareholders might wonder "Why is this man smiling?" Write your own caption for this post and we'll use the best one as its new title. Yesterday's winner is trisomy21 for "Apparently there's a glitch in the Google Trends algorithm."

Who invited Henry David Thoreau to the Google Street View campus spectacular? Twenty bucks he spent time in Portland, where flannel shirts, Mario Savio and critically reading the bible are still well in vogue. Write your own caption for this post and we'll use the best one as its new title. Yesterday's winner is Vulture with "Cashmore's Kazakhstani wedding pics."