SCANOLOGY has just introduced NimbleTrack Gen2. With upgraded technology, SCANOLOGY's NimbleTrack Gen2 is capable of scanning large and complex areas significantly faster, while maintaining measurement-level accuracy. This is the next generation of the company's mobile optical tracking and 3D scanning systems. SCANOLOGY's NimbleTrack Gen2 is designed to deliver higher performance, especially in speed and measurement range.
A breakthrough opportunity for R&D processes awaits the Vietnamese engineering community. The specialized workshop "Driving Engineering Innovation Through Smart Simulation" organized by ANSYS will take place on October 29, 2025, at the Innovation Hub Building, updating the latest advanced simulation solutions for the manufacturing, electronics design, and Nano-Micro industries.
In the global race to automate manufacturing, China is emerging as a pioneer with the “dark factory” model – where robots and artificial intelligence completely replace humans. Requiring no light or rest, the new generation of factories operate continuously 24/7 with superior precision and efficiency.
Facebook has added a Downvote button with a downward-pointing arrow in the comments section, allowing users to "downvote" unhelpful content.
Meta is currently testing a downvote button to reduce spam on Facebook. When a comment receives more downvotes, it will be displayed less prominently. However, the company has not provided a detailed description of how the downvote system works or when it will be rolled out globally.
A Meta representative stated that this test is different from previous Like/Dislike experiments, as it focuses on "helpful" content. A small text bubble below the button reads: "Let us know which comments are unhelpful."
The History of Dislike Buttons and Reactions
Concerns about abuse: Business Insider is concerned that the downvote button could be misused to suppress comments that a particular group disagrees with or dislikes.
Previous attempts: Facebook first launched in 2004 and added the Like button in 2009. The idea of a "Dislike" button was often raised, but Meta never implemented it widely, except for a version in its Messenger app. A downvote button, which was text-based, also appeared in 2016 but was later discontinued.
The birth of Reactions: In 2016, Facebook launched its "Reactions" emoji set, which included Love, Haha, Wow, Sad, and Angry. The "Care" reaction was added in 2020 during the COVID-19 pandemic. According to Geoff Teehan, Facebook's product design director at the time, this was a plan initiated by CEO Mark Zuckerberg in 2015.
The reason for Reactions: In a Medium post, Teehan explained that they considered a Dislike button but ultimately decided against it. He wrote that while it was technically simple, the social implications were "far more complex," and they didn't want to create a community where people's important moments could be "downvoted."
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