In the opening remarks, Steve Smith, MediaPost columnist and BT conference MC, polled the industry to size the market. He says eMarketer's David Hallerman is in the midst of reworking the numbers that
now suggest the market in 2009 will reach $1.1 billion this year, but expects it could revise to about 15% to 16% of display. Smith cites Jeff Hirsch from AudienceScience as making the bold statement
that BT within 10 to 15 years would outpace search and become a $25 billion business.