I just ran into the most incredibly simple and genius example of practical marketing and I had to share this tip with you:

Use your 404 page to point lost visitors to an?irresistibleoffer

Links get misspelled, cut off or your content gets moved over time — the last thing you want is for your web page visitor to end up on another site! ?Keep them glued to your content by creating a 404 page that directs them to more content or an offer.

Here is the inspiration for this tip that I found on Kissmetrics.