Are they twins under the skin? Online travel service Kayak has complained to Microsoft that its Bing travel service has a look eerily similar to Kayak, and that might confuse potential customers.
Kayak’s chief marketing officer Robert Birge told Wired.com:
"We have contacted them through official channels about concerns about the similarities between Bing and Kayak. From the look and feel of their travel product, they seem to agree with our approach to the market."
Microsoft confirmed that Kayak had been in touch, and said to The Register:

