🔴 LIVE NOW: Switch on Agentic Success — Start with Customer Service See how @Equinox and @WolverineWW put AI agents to work — and how you can too. On the agenda:  ↳ Real ROI in action  ↳ Customer playbooks to copy  ↳ Live Q&A with product experts

Korean Air is preparing to switch on free Starlink in early September The rollout is expected to begin on aircraft flying major long-haul routes before expanding across the fleet And it’s free for everyone Economy, business or first class......every passenger gets access Starlink is also expected to expand across the wider airline group over time, including Asiana, Jin Air, Air Busan and Air Seoul Another major airline group is moving toward making fast satellite internet a standard part of flying

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One of the changes made to improve Ghostty IO throughput was to introduce a new IO gather thread, bringing our total thread count to 3 per terminal instance. Under heavy IO load, this keeps our VT processing working at nearly full bandwidth without stalls. Previously, Ghostty's IO thread (since 2023!) followed this general shape: read_pty(); exit_if_quitting(); process_data() The problem is that under heavy load, the pty kernel-side buffer becomes full, blocking the writer (e.g. TUI program). So while Ghostty was in `process_data`, the rest of the world just stalled. Then when we got back to `read_pty`, we'd read the next chunk (a syscall), and while we're paying the syscall cost, Ghostty isn't processing VT data. Additionally, on macOS and Linux, the kernel only gives a max of 1024 bytes out of a `read()` on a pty (even if the buffer on either side is larger). So, when you `read_pty`, you get 1024 bytes and get back to blocking. I tried reading from the pty until EAGAIN to fill a buffer but it actually didn't move the needle much cause the major slowdown issue were the stalls on eithe rside. So the gather thread instead sits in a loop of reading from the pty and filling a set of preallocated buffers. If a read is less than 1024 bytes we assume we're not under any write pressure and dispatch immediately. This preserves latency. But when we read a full 1024 byte we assume we are under write pressure and sit in a CPU spin loop (the context switch on a blocking read is higher than the time it takes the writer side to write to the pty). We do this until we get less than 1024 bytes or a timeout of 3 nanoseconds passes or the buffer is full (64KB). Then we dispatch. As a result, under heavy load, Ghostty is effectively processing data through our VT processor at 100% efficiency so IO is fully bottlenecked there, for now. This was all discovered in concert with LLM usage, which helped pull direct kernel source (XNU + Linux) to validate assumptions, write minimal harnesses in C to quickly verify, and rubber duck some of my approaches.

Nintendo has officially announced price increases for the Nintendo Switch 2 and related products due to rising costs and current business conditions. >United States: $449.99 to $499.99
>Canada: CA$629.99 to CA$679.99
>Europe: €469.99 to €499.99 (effective September 1)
>Japan: ¥49,980 to ¥59,980 (effective May 25) The price adjustments will also affect existing Nintendo Switch hardware and Nintendo Switch Online subscriptions in Japan.

Amazon says it will put more than 20,000 pairs of AI smart glasses on delivery drivers by the end of 2027. The glasses switch on when the van parks. They show which package to grab, then walking directions to the door, hazards along the way & a proof-of-delivery photo - all in the driver's line of sight instead of on a phone. Amazon says 500 drivers have already used them on 275,000 deliveries & estimates they save up to 30 minutes per shift. The science question here is “attention”. A driver looking down at a phone isn't looking at the stairs, the ice, or the dog. Putting information at eye level removes that glance. But aviation researchers found the catch decades ago with pilot heads-up displays: attentional tunneling. When information floats in front of you, your eyes stay on it & your awareness of everything else narrows. The display is in your line of sight, but so is the world & the brain doesn't always split them well. So the real test isn't whether the glasses work. It's whether they make drivers safer or just faster. Amazon reports serious vehicle crashes are down more than 23% from its broader safety upgrades, but that's the company's own figure across multiple changes, not a study of the glasses. 30 minutes a shift, multiplied across millions of daily deliveries, is the business case. Whether the driver's eyes end up on the doorstep or the display is the one worth measuring. 📐