One specific instance of the aforementioned seasonal affect on WTW is the date of its beginning its spring campaign, which is timed with the Easter holiday. Easter fell on an especially early date this year, on March 23, extending the spring/summer marketing strategy over a longer period.
The weight management industry is susceptible to seasonality, price response to the time of year - this usual erratic behavior was accompanied with a general downward price trend as the US economy struggled and most discretionary spending dipped significantly.