- History of email (Wikipedia)
The history of email entails an evolving set of technologies and standards that culminated in the email systems in use today.
- HistoryLink.org
HistoryLink.org is the continually evolving online encyclopedia of Washington state history. We provide a free, authoritative, and easily accessible reference for the benefit of all. With a few noted exceptions, all articles on this site are original works prepared exclusively for HistoryLink.org by staff historians, contract writers, volunteers, and consulting experts.