ESPN is set to launch a revamped app next week that will feature a dedicated ESPN Bet tab, allowing users to view and track wagers side-by-side with live sports events. The update, which coincides with the debut of ESPN's direct-to-consumer service, will direct users to the Penn Entertainment-operated app for placing bets and making deposits.

Hisense has partnered with Xumo on Hisense Channels, a new free, ad-supported TV service coming to Hisense Google TVs before expanding to additional devices. The platform offers roughly 200 channels, including content from NBCUniversal, Stingray Group and FilmRise.

Duolingo has expanded into math education with lessons for elementary- and middle-school students that are aligned with Common Core standards. The app aims to alleviate math anxiety and make learning fun through real-world problems and personalized lessons, but some educators and experts question the depth of understanding that app-based learning can provide.

TikTok implemented a five-hashtag limit per post, to improve user experience, reduce clutter and combat spam. This change follows similar moves by other platforms like X, LinkedIn and Instagram. TikTok has not officially explained the change, but a Reddit user claims it's to enhance content discovery relevance.

Best Buy has introduced a third-party marketplace on its website and app to expand the retailer's online presence and product offerings. The marketplace will feature more than 500 vendors, including Beach Camera and Antonline, and it will allow customers to return marketplace items in-store or by mail. The marketplace business model mirrors those of Amazon and Walmart, relying on third-party sellers to provide inventory, fulfillment and risk management while Best Buy collects a commission on each sale and offers advertising opportunities to sellers.