As you’ll no doubt know, given the blanket coverage thus far and the fact you evidently use the internet, Google has given its logo the largest overhaul in 16 years. Instead of being written with a serif typeface, the new logo is written with a custom-designed geometric sans-serif typeface. The colors of the letters are blue, red, yellow, and green as before. So what’s the point?
The point is simplification. Google wanted:
A scalable mark that could convey the feeling of the full logotype in constrained spaces.
In small words: a logo that can be produced and seen in smaller sizes than before. This is an essential functional quality since the Google logo today not only appears on computer screens but in several other applications, including wearable devices, with less space available.
Google also states other reasons for the logo change. These, roughly said, deal with reflecting the spirit of the company better as it widens its activities.
For use in very small contexts, Google has developed a four-color capital “G” to substitute the old lower case “g”. It has also introduced four colored dots, the use of which is not totally clear: