In most cases, you’ll want to use the most recent information available to keep your speech timely and relevant. Isaiah, for example, is speaking to a group of potential clients about his company’s graphic design services. If, during his speech, he makes reference to testimonials from satisfied clients in 2012 and earlier, the audience may wonder if the company has gone downhill since then. For this reason, always determine when your source was written or last updated; sources without dates may indicate that the information is not as timely or relevant as it could be.
Naturally, one exception to this rule deals with historical or classic speech or research topics. If you are researching a speech to inform your audience about the achievements of early twentieth-