The Nexus One [1] from 2010 had a little trackball that could light up for notifications. While the trackball was understandably nixed in later models (though

The Nexus One [1] from 2010 had a little trackball that could light up for notifications. While the trackball was understandably nixed in later models (though it was still useful for fine control!), its notification feature is dearly missed. [1] https://en.wikipedia.org/wiki/Nexus_One https://en.wikipedia.org/wiki/Nexus_One