Yes, I think advertising is really important for a company. It helps them let people know about their products or services. For example, if a company has a new product, advertising is the best way to introduce it to customers. Also, advertising helps people remember the company, so when they need something, they think of that brand first. In the end, good advertising can help a company sell more and make more money.

No, I don't think advertising is always necessary. Some companies do well just by word-of-mouth or because they have a good reputation. For example, a small local restaurant might not need to advertise much if everyone in the area already knows about it. Also, if a company has a really unique product, people might talk about it naturally, so advertising isn't as important.