Predicting the Market Bottom - An Exercise in Futility ?

With the recent unprecedented volatility dogging the stock markets around the globe, and with the economic crisis fully under-way, more and more people have been congregating together to ask the mother of all stock market questions - where will the market bottom be ? To expand this question a little, it's actually a little more complex, being divided into events like "where will the bottom be", "when will it happen", "will there be another bottom" and the no-brainer "have we already missed the bottom and the boat has left" ?