Neil Rackham, author of SPIN sellling, on combining sales and marketing

The great divide between sales and marketing has been exacerbated by the recession, and the marketing camp seems to be losing the good fight.

"What's happened is marketing is (that it's) not standing up too well to the harder times and there are a lot of marketing people out there just looking for opportunity," says Neil Rackham, author and creator of 'SPIN Selling'.