The document defines trends and different types of trends. A trend is a continuous development towards something new that influences people's behavior. There are three main types of trends discussed: megatrends, which are long-term global patterns influencing behavior; macrotrends, which are widespread phenomena lasting 5-10 years; and microtrends, which are short-lived interests lasting 3-5 years. The key difference between trends and fads is that trends have longer lifespans and more potential to be long-term influencers, while fads are brief crazes with little lasting impact. It is important for organizations to understand the difference so they do not waste resources chasing every short-term fad but also do not miss important