4. Conclusion

In today's fast-moving, ever-changing world, industries are suffering from the problem of obsolescence, which is accelerating day by day with technological progress. It affects products, knowledge and know-how. Its repercussions can be significant, sometimes decisive, for industry, the economy, the environment and society. In order to reduce these risks, obsolescence management remains essential to improve the profitability of industrial companies. In this article, we begin by introducing the concept of obsolescence (causes, consequences, typologies and risks). Then, we present an overview of strategies to remedy obsolescence. Finally, we present the techniques used to predict obsolescence.