A good content will attract more visitors than those who do not. The copywriter role in here is very necessary for a serious site. Also the other media putting image in their promotion site, the website can be more advantages. Fill in an up to date, which will make the visitors always confronted to the latest product information as long as the product is up to stated.  One identity, currently, the website address in to one identity, each sending email using the domain extension are from their website. Kind of hard to imagine when a big companies do not have the website address at least for their emails and the user of internet that significantly increase.