Shinano. The Shinano River is the longest river in Japan, flowing from the Nagano Prefecture to the Niigata Prefecture. The Shinano is 367 kilometers (228 miles) in length. It originates on Mount Kobushi from the Japanese Alps of Honshu Island, and flows northwest, joining the Sai River.
Greenmail or greenmailing is the practice of purchasing enough shares in a firm to threaten a takeover, thereby forcing the target firm to buy those shares back at a premium in order to suspend the takeover.
The term spam can also be used to describe any unwanted email from a company or website -- typically at some point a user would have agreed to receive the email via subscription list opt-in -- a newer term called graymail is used to describe this particular type of spam.