Firstly, because your list belongs to you once you've built it. It gives you security. Regardless of what changes the search engines make to their algorithms, you'll always have a source of really targeted traffic.

There is no doubt that recent times have seen families tighten their purse strings when it comes to luxury items, and many manufacturers have struggled to maintain sales in this sector. One brand in the UK however, has seen sales grow 12% year on year despite the high ticket price for their top-end range cooking products.