Enlarge ImageNo Bra Day/Facebook Sometimes a hashtag starts out as one thing and morphs into another. Such is the case with #NoBraDay, an October 13 social-media call to ditch the bras to raise breast cancer awareness. (How the two are correlated exactly is unclear.) It also called up controversy Tuesday as titillating (forgive the pun) …

Now playing: Watch this: Windows 10 tricks you probably didn’t know about 1:37 Sarah Jacobsson Purewal/CNET You might think you know all the Windows 10 tricks by now, but you’re wrong — partly because Microsoft is continuing to drop new builds (Build 10565 went out to Windows 10 Insiders on Monday), and partly because most of Windows 10’s little tricks …

Enlarge ImageAfter getting suspended by Kickstarter, the Skarp Laser Razor is back, on Indiegogo. Skarp Kickstarter has suspended the popular crowdfunding campaign for a shaver that promises to cut hair with lasers instead of traditional blades. In a move that once again highlights the inherent risks of backing a crowdfunding campaign, Kickstarter on Monday suspended the campaign for the Skarp …

Enlarge ImageLightning and USB Type-C are two connection ports that don’t match up. CNET Microsoft’s new smartphones have it. Google’s new tablet has it. Even the upstart OnePlus 2 is on board. Apple, at least when it comes to its new accessories, would rather not commit. The object of affection outside Apple is USB Type-C, which is quickly becoming the …

Blocks is available to back on Kickstarter for $195 for the core module, or $275 for the core plus a selection of four modules. Blocks Wearables If the current crop of smartwatches fails to impress you, why not build your own? The world’s first modular smartwatch, made by London-based Blocks Wearables, is heading to Kickstarter after 18 months in development. …

Carcassonne. Just the name sounds impressive. Maybe that’s why this particular medieval castle was chosen as the inspiration for the popular tile-based board game, which, in turn, inspired an award-winning strategy video game for consoles and mobile devices. The real-life citadel is a sight to behold. Sitting atop a hill in southwest France, the Cité de Carcassonne is an awe-inspiring …

Enlarge ImageAdobe users will be able to ensure that their PDF files are updated, shared and synchronized via Dropbox. Dropbox People who work with or share PDF files could benefit from a new collaboration between Adobe and file-storage site Dropbox. A partnership between the two companies announced early Tuesday is geared toward letting users of the Adobe Acrobat Reader app …

Twitter is trimming around 8 percent of its workforce. James Martin/CNET Twitter CEO Jack Dorsey is cracking the whip. The social network will lay off up to 336 employees, or about 8 percent of its workforce, as it looks to streamline its operations, Dorsey said Tuesday. This is Dorsey’s first major business move since being named permanent chief executive on …

James Martin/CNET We’ve told you everything you need to know about iOS 9, but the iPhone 6s and 6S Plus bring some eye-catching new features you won’t find on another Apple device. You can shoot 4K video and you can use Live Photos, a feature that adds an extra couple of seconds of video and audio to your still photos. …

Google Chrome’s built-in PDF viewer can make opening PDFs super-quick. Unfortunately, you don’t have access to all of the same tools you can use in apps like Adobe Reader. Thankfully, you can change one Chrome setting to make the process a bit faster: Open Chrome and type “about:plugins” into the omnibox at the top. Find Chrome PDF Viewer in the …