Salesforce.com provides Inline Editing feature which is applicable to the entire organization - ADM 201 Certification Question
Inline editing is a feature by which one can edit a record without pressing the edit button. User goes to the detail page, doubles click on a field, changes to a new value and presses save. This process makes sure the field value is updated to the new value.
Inline editing limitations:-
Does not work for all fields, some fields are exception to Inline editing like opportunity stage.
Inline editing can not be turned on for one user and turned off for another. It is global and works for all or none - ADM 201 Certification Question