All my favourite astrologers are talking about the upcoming Mercury retrograde period that starts Friday 12th Oct in Australia and continues through to Nov 2.
When Mercury appears to be going backwards in the sky it is a time when communications can become tricky. Mercury rules all kinds of communications related activity.
The current mercury retrograde is discussed quite fully in this article by Rob Tillett on Astrology.com. If you want to learn more about Mercury Retrograde in 2007 and all retrograde planets, writerinthewindow.com has dates and simple explanations.