The Google Pixel is a line of Android smartphones designed and marketed by Google. 

It has evolved into a premium smartphone with powerful features and cutting-edge technology.

The first Google Pixel phone was launched in October 2016, with a 5-inch display, a 12.3 MP camera, and Google Assistant built-in. It was the first phone to feature Google’s new Pixel brand.

The Google Pixel 2 and 2 XL were launched in October 2017, with improved camera features, water resistance, and a squeezable frame that activated Google Assistant.

The Google Pixel 3 and 3 XL were launched in October 2018, with improved camera features, wireless charging, and Google Duplex, a feature that allowed the phone to make phone calls on your behalf.

The Google Pixel 4 and 4 XL were launched in October 2019, with new features such as facial recognition and gesture controls. 
However, the phone received mixed reviews due to its poor battery life.

The Google Pixel 5 was launched in October 2020, with 5G capabilities, a larger battery, and a more affordable price point. It was designed to be a mid-range device, offering high-end features at a lower cost.

The Google Pixel 6 and 6 Pro were launched in October 2021, with a new design, improved cameras, and the first Google Tensor chip. They received positive reviews for their innovative features and powerful performance.

The Google Pixel 7 and 7 Pro were launched in October 2022 and are top Android phones. It has a stronger and more capable Tensor G2 processor, improved AI features, stronger connectivity, and an improved fingerprint scanner.

Google is set to launch its first foldable smartphone, the Pixel Fold, at the upcoming Google I/O event. The phone features a full outer display that unfolds to reveal a larger inner display, similar to the Samsung Galaxy Fold.