today wikipedia , the freely dictionary that persons with access to the web can see , was the center of an onslaught of practical tricks , as april fool ' s day kicking in the timezones around the world , at including those segments all follow the gregorian calendar . it is believed that its contributions were kept busy tidying up and remove unwanted articles and changes authored by other human authors , and were expecting to be cleaning up the aftermath for days afterwards .
Readers of online encyclopedias can edit the contents.