An anonymous reader quotes a report from TechCrunch: In pursuit of “safer” text-generating models, Nvidia today released NeMo Guardrails, an open source toolkit aimed at making AI-powered apps more “accurate, appropriate, on topic and secure.” Jonathan Cohen, the VP of applied research at Nvidia, says the company has been working on Guardrails’ underlying system for “many years” but just about a year ago realized it was a good fit for models along the lines of GPT-4 and ChatGPT. “We’ve been developing toward this release of NeMo Guardrails ever since,” Cohen told TechCrunch via email. “AI model safety tools are critical to deploying models for enterprise use cases.”

Guardrails includes code, examples and documentation to “add safety” to AI apps that generate text as well as speech. Nvidia claims that the toolkit is designed to work with most generative language models, allowing developers to create rules using a few lines of code. Specifically, Guardrails can be used to prevent — or at least attempt to prevent — models from veering off topic, responding with inaccurate information or toxic language and making connections to “unsafe” external sources. Think keeping a customer service assistant from answering questions about the weather, for instance, or a search engine chatbot from linking to disreputable academic journals. “Ultimately, developers control what is out of bounds for their application with Guardrails,” Cohen said. “They may develop guardrails that are too broad or, conversely, too narrow for their use case.”

While companies like Zapier are using Guardrails to add a layer of safety to their generative models, Nvidia acknowledges that the toolkit isn’t imperfect; it won’t catch everything, in other words. Cohen also notes that Guardrails works best with models that are “sufficiently good at instruction-following,” a la ChatGPT, and that use the popular LangChain framework for building AI-powered apps. That disqualifies some of the open source options out there. And — effectiveness of the tech aside — it must be emphasized that Nvidia isn’t necessarily releasing Guardrails out of the goodness of its heart. It’s a part of the company’s NeMo framework, which is available through Nvidia’s enterprise AI software suite and its NeMo fully managed cloud service. Any company can implement the open source release of Guardrails, but Nvidia would surely prefer that they pay for the hosted version instead.

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Source: Slashdot – Nvidia Releases a Toolkit To Make Text-Generating AI ‘Safer’

According to The Verge, Amazon is shuttering its health-focused Halo division. All three Halo products will be discontinued and portions of the Halo team will be laid off. From the report: “We have made the difficult decision to wind down the Halo program, which will result in role reductions,” Melissa Cha, Amazon’s VP of smart home and health, told staffers in an email obtained by The Verge. “More recently, Halo has faced significant headwinds, including an increasingly crowded segment and an uncertain economic environment. Although our customers love many aspects of Halo, we must prioritize resources and maximize benefits to customers and the long-term health of the business.”

“We continually evaluate the progress and potential of our products to deliver customer value, and we regularly make adjustments based on those assessments,” Amazon spokesperson Kristy Schmidt told The Verge in an email. “We recently made the difficult decision to stop supporting Amazon Halo effective July 31, 2023. We are incredibly proud of the invention and hard work that went into building Halo on behalf of our customers, and our priorities are taking care of our customers and supporting our employees.” The company says it will refund customers who bought a Halo devices or accessory band in the last 12 months. “All unused prepaid Halo subscription fees will be refunded, and users will no longer be charged,” adds The Verge. Early adopters, like myself, are out of luck.

In related news, Amazon kicked off another round of layoffs today, impacting its cloud computing and human resources divisions.

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Source: Slashdot – Amazon Shuts Down Halo Division, Discontinues All Devices

In its first-quarter earnings report today, Meta said its virtual reality and augmented reality unit, Reality Labs, recorded a $3.99 billion operating loss. The unit generated just $339 million in revenue. CNBC reports: The numbers show a slowdown from last quarter, when Reality Labs lost $4.28 billion on $727 million of revenue. For all of last year, Reality Labs recorded an operating loss of $13.72 billion on $2.16 billion in sales, underscoring how VR and AR technologies have yet to reach the mainstream. Despite Reality Labs’ operating loss, Meta posted first-quarter net earnings of $5.71 billion, or $2.20 a share, with revenue up less than 3% to $28.65 billion from $27.91 billion a year ago. This sent its stock soaring more than 10% in extended trading Wednesday.

“Facebook had 2.04 billion daily active users, up 5% from a year ago, and the ‘family’ of Meta apps — which includes Instagram — reported daily active users of 3.02 billion, up 4%,” adds MarketWatch.

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Source: Slashdot – Meta Records Almost Billion Loss On Metaverse In First Quarter

An anonymous reader quotes a report from Reuters: The yuan became the most widely-used currency for cross-border transactions in China in March, overtaking the dollar for the first time, official data showed, reflecting efforts by Beijing to internationalize use of the yuan. Cross-border payments and receipts in yuan rose to a record $549.9 billion in March from $434.5 billion a month earlier, according to Reuters calculation based on data from the State Administration of Foreign Exchange. The yuan was used in 48.4% of all cross-border transactions, Reuters calculated, while the dollar’s share declined to 46.7% from 48.6% a month earlier. The volume of cross-border transactions covers both the current and capital accounts. According to data from SWIFT, the yuan’s share of global currency transactions for trade finance rose to 4.5% in March, while the dollar accounted for 83.71%.

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Source: Slashdot – Yuan Overtakes Dollar To Become Most-Used Currency In China’s Cross-Border Transactions