William Charlwood

The Long Tail of Search is the myriad of unique searches done daily that add up to the vast majority of search engine activity.  The top 10, 100, 1000, 10,000, 100,000 or even 1 million searches done each day are but a tiny, tiny fraction of the total.
The sum of the obscure, […]

If you are doing any sort of testing then you need to make sure you have enough data to make rational decisions. I recently ran a split test using my autoresponder. What I did was send out two different emails to a relatively small list (around 400) and measured the response rates.
It was a classic […]