This document discusses product life cycles and marketing strategies for various products. It begins by defining the product life cycle as the period of time over which a product is developed, brought to market, and eventually removed from the market. It then provides details on the product life cycle and marketing strategies of Samsung mobile phones in India. Next, it examines the product life cycle and marketing of Patanjali Atta noodles. Finally, it analyzes two unsuccessful products: Ponds toothpaste, which failed due to brand extension issues, and the Blackberry Storm 9500 smartphone, which struggled due to technical flaws.