Neowin published a story that Bing has been officially rebranded to Microsoft Bing.

Bing officially rebranded to Microsoft Bing, Give with Bing expands to more markets

Microsoft announced that it is officially rebranding Bing to Microsoft Bing, bringing it in line with the firm's other offerings. It is also expanding the Give with Bing program to seven more markets.

Bing officially rebranded to Microsoft Bing, Give with Bing expands to more markets