The seventh-generation iPod nano, Apple’s last model, will be added to the company’s list of “vintage” products later this month.

First introduced in 2015, the device was marketed as the thinnest iPod ever, with the ability to connect to Bluetooth headphones and speakers, a built-in FM radio tuner, and a 2.5-inch color display.

Apple teamed up with the U.S. government to build a modified iPod that might have been a stealth Geiger counter for detecting and measuring ionizing radiation, claims former Apple software engineer David Shayer.

In an article for TidBits, Shayer — who left Apple in 2015 — described the secret project as a “special assignment” only known to about four people at Apple. It was his job to assist two engineers working for a U.S. defense contractor to the Department of Energy.

July 19, 2004: The fourth-generation iPod brings neat innovations to the popular audio device, including the Click Wheel interface recently introduced on the iPod mini.

“The best digital music player just got better,” says Steve Jobs on the day the product launches. And yet some people feel disappointed.

May 30, 2013: Apple marks the sale of the 100 millionth iPod touch by launching a new, stripped-down model with a budget price of $229.

The new 16GB music player lacks some features of its high-end siblings. However, the smaller price tag and a savvy selfie cam make it appealing to new customers.

May 12, 2005: Longtime Apple frenemy Bill Gates tells a German newspaper that Apple may have hit it big with the iPod, but that its success isn’t going to last forever.

The reason? Mobile phones are going to steal the iPod’s market share. The good news for Gates is that he was right on the money. The bad news for Microsoft is that Apple cannibalized itself by making the iPhone. And Apple’s smartphone became even more successful than the iPod.

Rapper 50 Cent claims that he personally pitched Steve Jobs on paying him $150,000 to promote the iPod in his 2003 music video for the hit song “P.I.M.P.”

“You think you could sell an iPod? I could sell an iPod,” 50 recalled telling Jobs in a recent interview. “Jimmy [Iovine] will tell you, in that 10 minutes that I sat there, I got [Jobs] to give me $150,000. [It was] the first time Apple did product placement in anything, any music video.”

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April 9, 2007: Apple sells its 100 millionth iPod. Coming five-and-a-half years after the portable music player went on sale, the landmark event confirms the iPod as Apple’s most popular product of all time.

Until the iPhone arrives a couple months later, that is!

Of all of Apple’s creations, the iPod is a sentimental favorite. For many, it was their first Apple device.

An iPod-inspired action figure called iBoy could be your gateway to other Apple-inspired toys from Hong Kong toymaker Philip Lee.