Contentle is an online ideabook where you can place your favorites
Take a look at the Contentle (http://www.contentle.com). You can process bookmarks (with preview), images, videos, text snippets (GF-Markdown text). Powerful search, different view modes, tagging and more. Contentle has RSS reader with ability to copy entries into bookmarks.
Example collections:
- images - http://www.contentle.com/c/082590676178034/
- videos - http://www.contentle.com/c/824963208363825/
- bookmarks - http://www.contentle.com/c/214057457733755/
- texts - http://www.contentle.com/c/771542581059751/
- RSS feeds - http://www.contentle.com/u/optimist/feeds/