A man browses through a Sephora cosmetics store at San Francisco International Airport. - 

According to Reuters, more and more luxury brands are trying to expand their stores sky high -- or at least to the airport terminal.

In recent years, sales at airports and other travel venues have risen far more quickly than at regular stores for many chains.

Here to talk with us for today's Mid-day Extra is Pam Danziger, president of Unity Marketing, which focuses on the luxury market.

Follow Jeremy Hobson at @jeremyhobson