_News and the mobility of the social group._—The division of labor, in making individual success dependent upon concentration upon a special task, has had the effect of increasing the interdependence of the different vocations. A social organization is thus created in which the individual becomes increasingly dependent upon the community of which he is an integral part. The effect, under conditions of personal competition, of this increasing interdependence of the parts is to create in the industrial organization as a whole a certain sort of social solidarity, but a solidarity based, not on sentiment and habit, but on community of interests. In the sense in which the terms are here used, sentiment is the more concrete, interest the more abstract, term. We may cherish a sentiment for a person, a place, or any object whatsoever. It may be a sentiment of aversion, or a sentiment of possession. But to possess or to be possessed by a sentiment for, or in regard to, anything means that we are incapable of acting toward it in a thoroughly rational way. It means that the object of our sentiment corresponds in some special way to some inherited or acquired disposition. Such a disposition is the affection of a mother for her child, which is instinctive. Or even the feeling she may have for the child’s empty cradle, which is acquired. The existence of a sentimental attitude indicates that there are motives for action of which the individual who is moved by them is not wholly conscious; motives over which he has only a partial control. Every sentiment has a history, either in the experience of the individual, or in the experience of the race, but the person who acts on that sentiment may not be aware of the history. Interests are directed less toward specific objects than toward the ends which this or that particular object at one time or another embodies. Interests imply, therefore, the existence of means and a consciousness of the distinction between means and ends. Our sentiments are related to our prejudices, and prejudices may attach to anything—persons, races, as well as inanimate things. Prejudices are related also to taboos, and so tend to maintain “social distances” and the existing social organization. Sentiment and prejudice are elementary forms of conservatism. Our interests are rational and mobile, and make for change.