Google Contacts, the address book built into Gmail, lets you keep track of all your contacts, see when you last interacted with them, and more.
Extract policy facts from supplied pages and flag unanswered questions.
Your research findings arrive in a source-linked table, with missing facts and unreadable pages clearly marked.
Keep revised public policy wording in a dated version.
Your website version history keeps the full text when a watched section changes. You get a dated link for later review.