Your personal library for the Internet

Save, annotate, review, and share great web content. Receive smart email digests to retain key information.

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Save

Save content you want to remember and learn, such as thought-provoking articles, guides, references, and more.

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Annotate

Highlight parts of the article and add notes to summarize key points.

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Review

Retaino emails your saved content, highlights, and notes back to you in a digest at the right time to keep your memory fresh.

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Share

Share your article highlights and notes with friends, family, and colleagues. Discuss the best of the web.

Save, read, annotate.

Highlight the parts you care about.

Share your highlights w/ friends or colleagues.

Receive timely email digests to review what you learned.