Last week marked an important milestone: It has been one year since the European Court of Justice ruled that people could petition Google to remove links from search engine results.

The case began when a 58-year-old Spanish citizen, Mario Costeja Gonzalez, sued Google for a link to an old newspaper article containing some information about back taxes he had long since paid off. Pressing his case all the way to Europe’s highest court, Gonzalez managed to win — and the court forced Google to begin considering user requests to take down information deemed “inadequate, irrelevant or no longer relevant, or excessive in relation to the purposes for which they were processed.” To date, Google has removed 41 percent of the URLs its been asked to remove, a total of 324,402 URLs.