Pokemon Go Introduces Lucky Pokemon

Niantic has announced a new feature for Pokemon Go, a new type of Pokemon called Lucky Pokemon.
According to a blog post on Pokemon Go’s official site, Pokemon have a chance to become Lucky Pokemon when they’re traded. Lucky Pokemon will require less Stardust to power up than regular Pokemon, so you won’t have to spend as much to get them to their maximum CP.
According to Niantic’s post, a Pokemon is more likely to become Lucky the longer it’s spent in your Pokemon