TV3, the leading TV channel in New Zealand, was rebranded overnight to become Three.
This was reportedly done to make the brand more reflective of the channel's content by becoming more "vibrant, playful and inspiring". The identity for a TV channel is the sum of its parts, and it is implied that this is the reason behind the plus and equal signs in the logo. Videos posted online suggest the logo can be constantly animated to change colour, be skewed or given rounded edges.
Oddly enough, Three have decided to block their official videos for people outside New Zealand. One of the videos has been re-posted in non-geoblocked form by NewsHub. There's also this recording of the moment when the channel changed its name: