One biggest product I have seen is motors used in Dr. Foulds labs. I haven’t seen them on any advertisements on tv or internet. The way I found out about their product is because they sent a sample motor to Dr. Foulds lab as an advertisement. After see that motor, Dr. Adamovich bought similar motor for his research. Another example, I think is Drones, I recently bought a drone, but I didn’t see it on television, instead I saw it on my friend who saw it with another friend. He told me that the drone he has very good and reliable which made me want to buy it as well. As we saw in lecture, I think real advertisement in current world is your friends.