d3i is a user interface design and software development studio based in Milton Keynes, UK. The company specialises in the development of carefully crafted smart digital products and services for mobile, web and desktop. Formed in 2008 by Oliver Waters and Michael Waterfall, the company has become best known for it's innovative mobile applications on iOS. The most notable being Momento (http://momentoapp.com) which shot to success in 2010. Whilst the company spends most of its time on its own ventures, it also provides consultancy services in software design and development. Services include: - Concept development - Strategy planning - User Experience - User Interface Design - Software and Web Development - Marketing