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Trover launches Lists today, a new way to highlight the rich, guided tours its pioneer users create for the places they live. At its core, Trover is a location-based photo browser, putting its users' photos on a map you can explore. It uses social networks to help with discoveries, but its emphasis is on the things found by its users.

In addition to lists, which will help highlight individual users more, today's update also adds @-mentions and redesigns the news feed to be more about the people. Trover has positioned itself as a "browser" for places, but when you talk to CEO Jason Karas, you hear Trover is learning that people are part of those places. The new version of Trover is still about discovering places, but it provides the authentic flavor that only the local folks can offer.

Google has resorted to gamification to drive interest in its location services. It posted a YouTube video last week promoting a Google Maps-powered game coming to Google+ Games in February. It involves rolling a ball around a cube covered with 3D Google maps. Players apparently get extra points for hitting Zagat-rated businesses, promoting Google's acquisition of the review publisher last year.

"Play your world, like never before," is the promotion's slogan. It ends with a link to Google's new Start Here page for Google Maps, which offers a detailed walkthrough of the service. This gives Google a chance to show off all the new features of Maps, such as interior mapping and crowd-sourced map-making. If Facebook's history is any indication, one surefire way to drive social network eyeballs to something is to turn it into a game.

Foursquare has released a new Web version of its Explore tab at foursquare.com/explore. The mobile version of Explore, which launched last March, is for finding stuff to see and do nearby. Today's release of Explore for the Web helps with planning interesting things to do from the desktop or iPad.

In its announcement of Explore for the Web, Foursquare says its mission is "adding an 'interesting' layer to the whole world, tailored just for you." Foursquare Explore draws on the check-ins, tips, lists and interests of your friends to put a layer of "interesting" - which is apparently a noun at Foursquare - on a map. This is a challenge to Google Places and Maps, which is racing to add "interesting", but Foursquare's 1.5 billion check-ins give it a strong position.

The smartphone explosion has invited a bum-rush of new apps - and extensions of old ones - vying to be the way we discover places. Companies big and small are fighting to be the best location data platform. Google and Yelp struggle for dominance of business listings, and valuable geo data providers like SimpleGeo are selling for big bucks.

ReadWriteWeb gets tips about new consumer-facing location apps every day. We like the futuristic whiz-bang idea of augmented reality, so we tend to write these up every once in a while. But geolocation apps have not yet caught on in consumers' minds. That's because most offerings focus on monetizing location, leaving the user interface as an afterthought. Today, I think that changed. I found Localscope, the first location app I've ever used that I think I'll use every day.

Yesterday, the world got it's umpteen-millionth iPhone app for recommending your favorite things to all your social media friends. This category is so overstuffed that there were probably several such launches yesterday, but I'm referring to Stamped, an NYC-based startup founded by former Googlers and backed by Google Ventures. Kevin Systrom, co-founder of Instagram, is an advisor, and so is celebrity chef Mario Batali. It's a high-profile launch, and it shows in the distinctive design of the app.

Do we need another app for recommending cafes and sushi bars to each other? No. But perhaps we should get rid of the older ones and keep Stamped. Its distinguishing feature is the lack of 5-star ratings. If you like something, you just stamp it with approval. Stamped is satisfying to use; there's no guesswork involved. With Google's voracious need for consumer data about local businesses, no wonder Google Ventures backed it.

Google took further steps against Yelp today, adding features to the My Places tab on Google Maps. Businesses you've rated with Google Places are now highlighted on your maps, displaying your rating and showing other personalized recommendations based on places you've already shared. The highlights are available on the desktop and Google Maps for Android.

These new features push forward Google's efforts to be a one-stop-shop for mobile, location-based searches. From finding the restaurant to walking in the door, Google is building applications to compel smartphone users to use Google and only Google to find, shop and eat at local businesses.

Google just launched a new layout for search results about places. To the right of the text search results, there's now a panel that shows a map view along with photos and business details. Certain businesses will have the little pegman on their images. Clicking him will take you into a 360-degree interior view of the place.

Other places in the search results have a ">>" symbol that instantly opens the same preview. The new layout and 3D features will come to restaurants, landmarks, museums, hotels and more. The features will roll out in more than 40 languages over the next few weeks. It's a flashy feature, but Google has its reasons.

Google just launched a more streamlined process for updating small business listings on Google Places, but it asks forgiveness instead of permission. Instead of requiring owners to manually update the listing, Google Places will now automatically update with user-submitted info or updates to another source on the Web that Google identifies. When a listing is updated, the system will notify the business owner of the change by email.

Google touts this as a convenience and points out that a business owner can quickly log in from the email and correct any erroneous changes. But this is sort of a strange update. Google Places listings are an important way for businesses to be discovered from Web search, and business owners might not be partial to those listings updating without their expressed consent. Then again, some might feel that maintaining Google listings is a hassle, and this update will save them the effort.

Trover, a free mobile app for exploring places through photos, has launched an Android version after a good start on iOS in July. The Seattle-based startup is focused on what it calls "spatial browsing." Trover is a photo-sharing app that arranges discoveries on a map, so that users can either explore sights right around them or browse places around the world.

"Most of the apps out there today that are location-specific are delivering lists of content back to the user," says CEO Jason Karas. "We feel that exploring a space is not really done best through lists, that it's done through information that's organized in a spatial way. You can literally stroll around with our UI and take in the neighborhood just like you would when you're walking around."

Google just announced that they have acquired Zagat, publisher of worldwide restaurant guides. Zagat's bread and butter has been printed guides, so joining forces with Google will bring integration with Google's powerful platform of local tools like Maps, Places and Hotpot, Google's own recommendation engine. Watch out, Yelp.

The Google local apps are still relatively barebones compared to dedicated competitors like Yelp and Foursquare. Even recent additions to Google's dominant Maps tools haven't made it to mobile yet. But this acquisition, along with Google's purchase of The Dealmap last month, reveal Google's hand in the local recommendations game, and it looks like a flush.