Human attention span: 8 seconds.Goldfish: 9 seconds.8 seconds. That's all the time you have to capture someone's attention.Why does this matter in business?In 8 seconds, you need to grab attention, explain what you do and generate enough interest that the potential client may wish to know more.Oh, and you need to be memorable too.If you don't have a tagline. You need one. Taglines are made for those 8 seconds. Taglines exist to grab attention. Taglines...