Later this year, the German language version of Wikipedia will restrict instant editing and limit "trusted editors" to look over the content before it appears online, making Germany the first country to wield tighter control of the user information posted on the online encyclopaedia. The changes could be applied to the English language version of Wikipedia if feedback from users is positive. Wikipedia"s accuracy and unbiased nature has been called into question many times over. More recently, changes to the online entries made from questionable sources were uncovered thanks to American student Virgil Griffith inventing a scanner that matches the IP addresses of companies and organisations to Wikipedia edits.