It's Thursday and I'm back with another edition of GrowthMarketer Weekly for you to explore the best growth marketing news, tools, and insights!

It has been a busy week for marketers everywhere, so let's get to the important stuff that you need to know...

— Nicholas

After years of teasing that they're working on an eyewear product, Facebook finally has a prototype to share.

The glasses are designed in partnership with EssilorLuxottica, the maker of Ray-Ban sunglasses, and the research program behind the technology is called Project Aria.

Right now, everything is "for research purposes only" and will be tested in-house by a limited group of Facebook employees and contractors.

Read more about this big leap forward for both Facebook and smart glasses in this article from AdAge.

StreamYard is a live streaming studio in your browser. Interview guests, share your screen, and much more. Stream directly to Facebook, YouTube, LinkedIn, and other platforms.

If you're doing any kind of live streaming event on one of those social channels, why not stream to multiple platforms simultaneously and get more views?

That's the main draw of a tool like StreamYard.

TikTok recently revealed some of the elusive workings of the prized algorithm that keeps hundreds of millions of users worldwide hooked on the viral video app.

Here's the short version, according to Axios: TikTok's algorithm uses machine learning to determine what content a user is most likely to engage with and serve them more of it, by finding videos that are similar or that are liked by people with similar user preferences.

Check out the full article from Axios and learn what makes the TikTok universe go 'round.