The Future of Your Sales Team      . This year, I anticipate we will see a reduction in external sales positions of around 20%: 10% will be lost for good, and the other 10% will move inside. believe that this pattern will continue for the next three years, until we are left with less than 10% of the total sales population working externally. The reasons for this are obvious: Advances in technology mean that we can communicate just as easily from our desks, using video conferencing etc. Jonathan Farrington www.topsalesmanagement.com. Gal), sales leadership must consider new alternatives.