OneDrive, Microsoft's file sync app formerly known as SkyDrive, lets you store your files online, edit Office documents in the free Office Web Apps, and easily access your online files from your PC.
Answer colleague questions from shared research files and cite the sources.
Your teammates get answers in the same chat conversation, with document names they can check for themselves.
Preserve a source's revised wording alongside its capture time.
Your website version history keeps the full text when a watched section changes. You get a dated link for later review.