On examples

I love the Chicago ARTFL project. It gives you searchable digital copies of old French texts (although it doesn't seem to have them in printable format, which is a pity) and contemporary dictionary definitions and examples of usage for any word in the texts. For example, looking up "association" in the 1762 edition of the Dictionnaire de l'Academie Francaise gives you the following cheery example: "leur association est rompue, est finie."