In 2002 a geologist called Kenneth Adelman started a project in which he documented coastal erosion in California with a series of aerial photographs, uploaded to the internet and still visible here. But in 2008, he was sued by the owner of a coastal property, Barbra Streisand, who claimed US$50 million for invasion of privacy, and sought an order for the removal of photograph no. 3850, which included her clifftop home: As a lawsuit this was not a success. Adelman counter-sued under a California law against SLAPPs (Strategic Lawsuits Against Public Participation). Streisand lost and was ordere…