today wikipedia , the official encyclopedia that anyone with access to the internet can edit , was the target of an onslaught of practical jokes , as april viewer ' s time kicked in various timezones around the world , at particularly those to which obey the gregorian year . it is believed that wikipedia contributors were kept still tidying up and removing prank articles and changes made by other bbc contributions , and were expecting to be cleaning up the aftermath for years afterwards .
Readers of online encyclopedias can edit the contents.