... Another is to use a scripting lan-guage such as PHP to create dynamic pages. If your scripts have access to up-to-date informa-tion, they can constantly generate up-to-date pages.Not Tracking ... demo-graphics and personalities in the wider community and then skillfully interview participants.Focus groups can also cost nothing, be run by an amateur, and be populated by a sample ofpeople ... these products big online sellers.Ideally, an e-commerce product is nonperishable and easily shipped, expensive enough to makeshipping costs seem reasonable, yet not so expensive that the purchaser...