Sharing content using selection and proposal

A system may facilitate "almost automatic" sharing of content by regularly selecting content to be shared, and by publishing the content to certain entities if a person agrees, or does not object, to the sharing. A content item may be selected based on a criterion. A proposal to share the content item then may be displayed to a person. The proposal may specify a time by which the content item will be published if the proposal is not rejected. The person may explicitly accept or reject the proposal, or may passively allow the content to publish by not rejecting the proposal before the specified time. The content may be published so as to be receivable by a set of one or more entities that have been designated to receive shared content items.