Ad agency Mccann Erickson has developed an intelligent online campaign for their client Opticana, an opticians chain in Israel. They used the insight that everybody makes mistakes when typing a web address. Among the best-known web addresses they have registered the domain names with mistakes and made one landing page. This page has no purpose other than vouchers (coupons) to give away. For example www.nsn.co.il ipv www.msn.co.il. See here for your self how they did it:
