It might be a little early to call Hulu the next HBO, but a spike in broadband usage appears to be eating into viewers for cable television, according to the latest survey from the Pew Internet and American Life Project. That in spite of the fact the average consumer is paying more for broadband–an average $39 a month–up from $34.50 in May 2008. Has the recession delivered a stimulus to broadband? According to the Pew study, the business flatlined for much of 2008 but took off like a rocket in