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Google is tapping billions of Android smartphones to help detect earthquakes and warn people nearby.

The tech giant announced in 2020 that it was building a crowdsourced tremor detector using the accelerometers in Android phones.

Now, a new analysis shows that the system recorded 11,000 quakes about as well as standard seismometers.

Google said its system alerted millions of users across 98 countries, although it isn’t foolproof: The tool underestimated a pair of powerful quakes that hit Turkey in 2023. Still, it could help countries that don’t have a national early warning system, a seismologist told Nature.

One of the only AI tools I use daily, and one that has completely changed my workflow (for the better) is NotebookLM. If you aren’t familiar with it, NotebookLM is Google’s AI-powered personalized research assistant, essentially designed to help you better interact with information from sources you already have.

I’ve been using the tool since Google launched it as an experimental Labs project under the codename “Project Tailwind,” and I’ve stayed loyal to it ever since. That said, just because I’ve been using it for longer than most doesn’t mean I haven’t made my fair share of mistakes. So, here are four of the NotebookLM mistakes I made, and what fixed them.

Not saving helpful responses as Notes

NotebookLM won’t remember it for you

If you’ve used NotebookLM before, you’re likely familiar with how you essentially start with a fresh chat history each time you open a notebook (or if you refresh the browser). Any queries you may have asked NotebookLM disappear, along with the AI’s responses.

Though I do have a few notebooks I never open again once I’ve created them, I open some of my notebooks nearly every day. For the longest time, I’d ask NotebookLM a question, get an excellent answer that helped me out, and just move on. But later, when I needed the same piece of information again, I’d have to retype the question. Even though I’d be asking the question in the same notebook with the same sources, NotebookLM would seldom give me the exact same response.

After that realization, I started taking screenshots of some of the responses, but needing to reference back to them manually, especially across devices, quickly became a hassle. That was until I realized that NotebookLM lets you save helpful responses as Notes. At the end of the response, you’ll notice a Save to note button.

Upon clicking it, the response will be saved under the Notes section in the Studio panel. I still don’t think it’s ideal, since saving a lot of responses as Notes can get a bit cluttered. But it’s better than taking screenshots of helpful responses or needing to send NotebookLM the same prompts again and again.

Not downloading impressive Audio Overviews

One listen only, unless you save it

If you’ve been using NotebookLM for a while now, you’re likely familiar with NotebookLM’s Audio Overviews, which are AI-generated podcasts in which two AI hosts discuss your sources in an engaging and lively manner. It’s one of the features NotebookLM’s competitors haven’t been able to crack just yet, and I rely on it heavily, both for college and just to passively learn new stuff.

I’d often just listen to a genuinely impressive Audio Overview, and move on — thinking I could always come back to it later when needed. Spoiler alert: you can’t. Once you leave the notebook, similar to how you start with a wiped out conversation history every time you open a notebook in NotebookLM, the Audio Overviews also disappear when you leave the notebook.

Unfortunately, there’s also no way to get it back. Even if you’d like to listen to an Audio Overview of the exact same sources, you’d need to generate it again. If it was a process that only took a couple of seconds, I wouldn’t mind it. However, it often takes over ten minutes to generate a new overview (depending on the length and amount of the sources), and there’s no guarantee it’ll be as good as the last one. Some summaries are way more insightful or well-paced than others, so losing a great one kind of stings.

Now, whenever I listen to an Audio Overview that stands out, whether for a course notebook or a personal project, I make sure to download it immediately. There’s a tiny download button on the player, and clicking it saves the file as a .wav file.

Overloading notebooks with too many sources

More isn’t always better

The entire concept on which NotebookLM runs is that it uses your uploaded sources to give you context-aware answers. So, naturally, when I first started using it, I figured the more sources I added to a notebook, the smarter and more helpful it’d become. I kept piling on PDFs, lecture slides, random articles, and even YouTube videos.

Sometimes, all of my sources wouldn’t even necessarily cover the same topic, which would just end up confusing NotebookLM. Soon enough, I started noticing that my prompts were returning less specific, more watered-down answers. It was like NotebookLM wasn’t sure which source I wanted it to pull from, so it tried to generalize.

Eventually, I realized that overloading a notebook with too many mixed or unrelated sources isn’t the way to go. Instead, it’s best to keep your notebooks tightly focused and have separate notebooks for different topics. Now, if I’m working on a specific topic or assignment, I either create a new notebook or duplicate an existing one and remove anything that isn’t directly relevant.

Wasting time adding sources manually

Extensions can save you hours

As I mentioned above, NotebookLM is built on the sources you add to your notebooks. When it comes to adding sources, the only way NotebookLM lets you do it natively is by clicking the + Add button in the Sources panel. You can then upload a wide range of file types like PDFs, .txt, and Markdown. You can also upload website and YouTube video URLs, or paste text.

Though that’s fine when you have a handful of sources to add, even adding just twenty can start to feel painfully repetitive, especially if you’re working on a big project or setting up notebooks for multiple courses. To this day, NotebookLM is yet to roll out a simpler way to bulk-add sources to notebooks.

But thankfully, I discovered a few third-party Chrome extensions that help bridge that gap. For instance, the WebSync extension can import webpages, entire websites, YouTube videos and playlists, and even Reddit subreddits along with user comments, with just two clicks.

Don’t make the mistakes I did

While none of the mistakes I mentioned above are huge, fixing them has massively improved my overall NotebookLM experience and helped me save a lot of time. If you’re a regular NotebookLM user, or even just getting started, hopefully the mistakes I made help you skip a few of the bumps I hit along the way.

Tom Bischof is one of two transfers that Bayern Munich has managed to complete, the other one being Jonathan Tah; both players were free transfers. The 20-year-old got a bit of action with the Bavarians at the Club World Cup, but fans have yet to see the best of the lad. Indeed, he has already drawn comparisons with his teammate Joshua Kimmich:

“I’ve heard that a few times,” Bischof quipped (as captured by Twitter account @iMiaSanMia). “I have to say that Jo is an outstanding footballer. I look up to him, too. I also think our playing styles are similar, but we’re not completely alike.”

Bischof, along with his peer Aleksandar Pavlović, is seen as the long-term partnership in the pivot of Bayern’s system. Although the 2025/26 season has a foreboding feel about it with Bayern failing to land a single attacker from their long shortlist, the prospect of young Bischof running the show is definitely something to look forward to.