Advertising is a massive industry with a lot of money and agencies vying for attention. But the purpose of this industry is generally to drive people towards something whether it's a product or service. Great ads will draw your attention even if you don't have a need for the product.
But poorly-crafted ads will come off as revolting and insincere. Nobody wants to deal with the metaphorical used car salesman, and this type of advertisement can be an immediate turn-off.
For this post I'd like to examine a few design techniques for polishing beautifully-magnetic advertising banners. Although designs can vary from each website the general techniques remain the same. Take a look at the BuySellAds marketplace to see some of the most creatively and well-designed banner ads online today.