In 2009, IDEO designed and launched the HCD Toolkit, a first-of-its-kind book that laid out how and why human-centered design can impact the social sector. In short order, a community of designers, entrepreneurs, and social sector innovators embraced it, buying and downloading over 150,000 copies. In April 2015, IDEO.org launched an exciting new evolution of the HCD Toolkit the Field Guide to Huma
![Design Kit: The Human-Centered Design Toolkit](https://cdn-ak-scissors.b.st-hatena.com/image/square/453566f0f0c5bdd9fd8d58fd3502a6bbfb66f2e1/height=288;version=1;width=512/https%3A%2F%2Fcdn.prod.website-files.com%2F6501e17b507eeeaff049b022%2F6501e17b507eeeaff049caec_1657498088-designthinkercollage.webp)