Today Instagram, a billion dollar smartphone application presented it new logo and overall inside application look and feel as well. We have been familiar with the retro polaroid icon of the famous phot-sharing application since its debut in 2010. The new logo applied rainbow motif and white stoke to form an icon shape. After joining Facebook’s squad in 2012, the new following application Layout, Boomerang and Hyperlapse have lunched respectively, integrated and enhanced photo sharing experience in Instagram. The new updated design also used in these three applications. Obviously, the want to consolidate their brands image under the same roof, and paved the way for new coming applications. According to the vibrant color icons and joyful promotional video clip, the brand indicated their involvement about your fun, happiness and enjoyable moment. Do you like a new rainbow design or prefer the previous one? What do you think?