Being founded in religion, they are strictly observed by the societies to which they are relevant; a lack in observance of taboos by development planners may bring about project failure. In so far as advanced technology is very strange to indigenous tribes, it may itself be subject to taboos. Taboo in the sense of social prejudice is widespread in developed societies, particularly where they are strongly pluralistic; taboo in the sense of hypocrisy is also widespread, but both this and prejudice is alleviated to some extent by an increase in education and cultural integration or assimilation.