Selected answers from the Dumb SEO Questions Facebook & G+ community.
Emilija Gjorgjevska: If you experienced changes in the rankings between 4, 5th of January and 10th of January, it can be due to algorithmic changes made by Google. The SEO community noticed this, however, Google didn`t give confirmation (for which I`m not surprised at all) :) Google the following: "SEO community changes google" and adjust the time interval for the past week in order to get more information about the case - I don`t want to promote other blogs here.