I detected 2597 fake @JBLaudio speakers on second-hand marketplaces. On Vinted 75.5% of "Flip 6" speakers are counterfeit🤯. In this thread I'll share my method and key takeaways. 🧵

I'm not publishing much nowadays. I'm still on Twitter thought!. On the side, I'm working on SEO:.- I made a list of easy keywords to rank on.- I found bloggers in my niche and reached out.- I found bigger websites offering guest posts.- I'm preparing a quality article on Medium.

Today I met a gentleman traveling europe and meeting solo founders in every city he passes by. Love that about social media. You can connect to various people with very relevant experiences!.

Though of posting a joke like "Funny how X is so popular while you can code it in like. 2 days". Then I remembered that I'm posting with my own name and I should probably be more serious.

In these times full of automated content, speak like a human would.

What can you do ?. Learn to recognize counterfeits and do not buy them. If you have a counterfeit issue, I can help you fighting their distribution online. Just DM me. If you live my work don't hesitate to leave a comment/follow me. Any question is welcome!. Thanks everyone!.

Why so many fakes ?. Spotting counterfeits in second-hand listings is actually very hard. There's a massive amount of listings and pictures are taken by individuals, thus hard to analyze. Learning to recognize items / counterfeits with AI took me years of work.

Why does it matter?. Fake products do not follow any regulation, and of course do not have the same quality as the original products. They can be plain dangerous. Also, if you buy one of these speakers, your money may be used to finance criminal activities (like dr*g networks).

Most counterfeited product:. Among these 3 products, the most faked speaker is by far the "Flip 6". As mentioned in the intro, 75.5% of Flip 6 on Vinted are counterfeit.

Analysis: . A total of 2597 fakes were found in a month (~240 000€ worth of inventory). Here is the overall counterfeit percentage that I observed on different marketplaces:. - @vinted: 56.4%.- @avito: 45%.- Subito: 24.8%.- @facebook: 23.7%.- @leboncoin: 10.2%.- @eBay 6.7%.

Just a quick message to tell you that if you like my work, do not hesitate leaving a reply or following me! .Any question is welcome.

Fourth step: Identify fake listings. The process involve 3 steps made with AI:.- Is the picture showing one of the speakers?.- If yes, is the "JBL" logo clearly visible?.- If yes, is the logo a sticker ?. All AI identifications have been manually reviewed later.

Third step: Learning to spot counterfeits. @JBLaudio provides us many advices to spot fake speakers on their website. One of the most visual indicators is the front logo. Fake speakers have a "sticker" logo that is very different from the original.

Second step: Finding products of interest. I used image recognition to isolate listings selling either a "Flip 6", "Charge 5", or "Xtreme 3" from @JBLaudio. (This was a custom model trained with PyTorch). Here is the repartition of products / marketplaces:

First step: Collecting data. For this analysis, I started by collecting around 200 000 second-hand listings on various marketplaces. All these listings were mentioning "JBL" or the name of one of the speakers.

What can you do?. Learn to recognize fakes, and don't buy them. If your brand has a counterfeit issue, I can help you to fight their distribution online. Just DM me. If you like my work, don't hesitate to leave a reply or follow me. Any question is welcome!. Thanks everyone!.

Why so many fakes?. Finding counterfeit products on second-hand market is very hard. There's a massive amount of listings and the pictures are taken by individuals, thus very hard to analyze. Learning to detect items and visual features in these pictures took me years of work.

Why it matters? . Counterfeited products do not follow any regulations, and do not match quality criteria of the original brand. Fakes are cheap products, and can even be dangerous. Buying such products also finances other traffics and crimes in general (like dr*g networks).

Most counterfeited products: . On the 3 speakers that were analyzed, the one most faked (by far) is "Flip 6". Other 2 models have some fakes as well, but way less. As I said in the intro, on Vinted 75.5% of "Flip 6" speakers are fakes.

Insights after manually confirming all the identifications. Total: 240 000€ worth of fake speakers were found. Here is the percentage of fakes found on different marketplaces: .- @vinted: 56.4%.- @avito: 45%.- Subito: 24.8%.- @facebook: 23.7%.- @leboncoin: 10.2%.- @eBay: 7.2%.