<human>:  What advertising methods are effective?
<bot>: 
1. Online advertising, such as banner ads, social media advertising, and search engine marketing, can be effective for businesses looking to reach a wide audience with their message.
2. Traditional print advertising, such as newspaper and magazine ads, can also be effective when targeted at the right demographic.
3. Television and radio commercials can also be powerful if the message is well thought out and targeted.
4. Word-of-mouth marketing can be one of the most effective forms of advertising, as it is more personal and credible.
5. Direct mail campaigns can also be very successful when carefully crafted and targeted appropriately.