Two kinds of google penalties

Most probably most of you are aware that there is such a thing as a google penalty – Your site will vanish from the search results or at least be sent to one of the last pages if you don’t behave well and do nasty things like hidden text, keyword stuffing, etc.
What many are not aware is that there are two types of penalties – the automatic or algorithmic one and the manual one.
And depending what lead to your penalty the way to lift it might be different.
As so many times before Matt Cutts brings us the answer in an excellent short video: