Iceber.gs is a web app which allows you to easily clip any text, image, video clip or entire web page and to store into a dedicated private visual collection by simply clicking a button.
Iceber.gs unlike Pinterest allows to clip not just images present on a web page, but allows to select specific text passages, to capture video clips and to save entire web pages from top to bottom. You can also upload multimedia files directly from your computer by simply dragging and dropping them in your favorite collection.
Iceber.gs collections are meant to be created for private use, and are not indexed by major search engines. Its main applications are in situations where you work in a team in which you need to share relevant research stuff, or when dealing with a client to whom you need to show drafts and layout examples.
An extension to capture new content is available for Chrome, Firefox and Safari: https://iceber.gs/iceframedownload/index.html
My comment: Useful alternative to the many visual curation boards out there for those in need specifically a "private", not publicly shared solution.
Free to use.
Try it out now: https://iceber.gs/
(Thanks to Francesco Guglielmino for first discovering it)