Om Malik:"This near-real-time interaction—and its outcome—makes me wonder if older services such as Yelp have a future. The growing popularity of smartphones such as the iPhone (AAPL) and BlackBerry (RIMM) are already affecting our behavior, making access to information more portable."
Chris Dixon:"In the past decade, we saw a massive shift of direct response advertising to the web. The main beneficiary of this shift has been Google. We saw far less of a shift of brand advertising to the web. It is therefore very likely that most of this new ad spending will be brand advertising."