Here's a stupid mistake I made when launching slingcode.net the other day: no email newsletter signup.
There were 20k hits on the site, but only a handful signed up to hear about updates in the future. Why? To reach the form they had to take the following steps:
Way too many steps. I should have obviously had a signup on the front page. Duh. Oh well. Live and learn.
Don't make the same mistake I did!