The Y2K problem is a serious threat. It's easy to imagine broad scale power outages and social disruption. Confusion about a new media is a minor inconvenience when compared to, say, elimination of Railroad service for a couple of weeks. Wheddle insists that this problem is comparable to the lack of standardized measurement and reporting in Online Recruiting. That is a stretch.
Response rates are down across the board.
There is an extreme labor shortage driven by low unemployment and declining birth rates. All customers get frustrated when their dollar buys less. The problem is simple and long term. There are fewer potential candidates. The cost of reaching them is going up.