Before cookies, I remember in middle school (ebay?) using the URLs for sessions. If they forgot to include the session token on any link on the page, you'd be

Before cookies, I remember in middle school (ebay?) using the URLs for sessions. If they forgot to include the session token on any link on the page, you'd be logged out and have to authenticate again, or you could navigate backwards back to a sessioned address in your history. Once I figured that out, I copy and pasted my session id so if they omitted the session on a link I wouldn't have to log in again.