With a little help from Foursquare, Reddit is now letting users geotag their posts. “It’s opt-in only, which means you won’t be forced to add a location tag to your post if you don’t want to,” The Next Web notes. “It’s an interesting move for the … company, as a majority of its users enjoy interacting with the various communities on Reddit with a certain degree of anonymity and privacy.”

Marking its latest AR experiment, The Washington Post is using the technology give mobile users a virtual tour of some landmark buildings. As journalism.co.uk reports: “By pointing their iOS device at the ceiling, viewers activate the story’s 3D visuals and audio narration, which … studies the famous ceiling of the Elbphilharmonie concert hall in Hamburg, Germany.”

Twitter just found another live-video partner in the BBC. “The new deal will bring live video and breaking news from the BBC’s U.K. election coverage to Twitter’s network,” TechCrunch writes. “The deal specifically involves five BBC election specials, including debates and election night results, among others.”

GIF search engine Giphy is finally trying to figure out how to generate some revenue. Yes, the four-year-old startup is weighing “over a dozen different business models,” cofounder and CEO Alex Chung tells Business Insider. “Central to the effort is Giphy’s move to evolve from being a search engine for GIFs into a hub for what Chung calls ‘micro-entertainment,’” BI writes.

Like Snapchat, Instagram will now let users search Stories for a location or a hashtag. Not unlike Twitter, “Story Search could open new use cases on Instagram, like checking out the weather, crowd, or what’s going on at a location right now, or seeing what people are doing or thinking about a major news topic or random theme,” TechCrunch suggests. “That could boost usage time of Stories while adding utility to the app.”

Wired tells the unsettling story of how Facebook and a brand partner peered into the emotional lives of minors, and then used their findings to pitch other advertisers. Citing an earlier report in The Australian, Wired writes how Facebook “offered advertisers the opportunity to target 6.4 million younger users, some only 14 years old, during moments of psychological vulnerability, such as when they felt ‘worthless,’ ‘insecure,’ ‘stressed,’ ‘defeated,’ ‘anxious,’ and like a ‘failure.’”

Facebook’s evolving content guidelines are spread across more than 100 training manuals, spreadsheets and flowcharts, The Guardian reports. “The Facebook Files give the first view of the codes and rules formulated by the site,” the publisher writes. “They illustrate difficulties faced by executives scrabbling to react to new challenges such as ‘revenge porn’ -- and the challenges for moderators, who say they are overwhelmed by the volume of work.”

Among other so-called longshots, Facebook is trying to transform the business of telecommunication. “The effort is essentially Facebook … taking control of its own technical destiny,” according to Business Insider. “And the stakes could not be higher for the telecom equipment companies that risk seeing their products become commodities.”

Encouraging a more social experience, YouTube VR is getting a “shared rooms” feature, Androidheadlines reports. “Once it launches YouTube users will be able to do things like engage in voice chat and watch 360-degree videos together for a unique way to experience YouTube that is more akin to enjoying content together with friends who may be in the same room.”

Google just unveiled a new augmented reality feature called Google Lens. 9To5Google describes Lens as “a set of vision-based computing capabilities that can understand what you’re looking at and provide actions to interact with the world around you.” In Google Photos, Google Lens has the ability to identify what buildings or locations are featured in images, according to 9To5Google.