Gmail is email that’s intuitive, efficient, and useful. 15 GB of storage, less spam, and mobile access. g (lower case, upper case G , plural gs or g's) The seventh letter of the English alphabet, called gee and written in the Latin script. The Letter G Song introduces kids to the letter G and also teaches the sound that it makes. Come join Gracie and friends as they sing, dance, and learn about... Learn more about Google’s office locations, history and commitments, plus our key initiatives around sustainability, accessibility and more.