I wish to thank all the people who unwittingly contributed by posting their experiences and especially those who offered suggestions and constructive criticism via email.

The suit claims that corps projects over the last 40 years unwittingly contributed to beach erosion on Fire Island.

Even schools may unwittingly contribute to this premature push toward heterosexual relationships.

Each member, simply by exchanging information with its nearest neighbors, unwittingly contributes to the commonweal.

George Harrison unwittingly contributed the first line of this part: "If we ever get out of here" when he said it during one of the many Beatles' business meetings.

By not asking where the wood comes from you unwittingly contribute to the destruction of the world's forests.

How much are you, knowingly, or unwittingly contributing to this situation?

Further, by importing whole classes of foreign-made goods Americans unwittingly contribute to the erosion of production engineering capabilities in those industries.

The vegetation of urban commons varies region by region, and so unwittingly contributes to local character in contrast with most urban landscapes.

They have also unwittingly contributed to the pernicious notion that jazz stopped evolving around 1959 and has been chasing its tail ever since.