You can choose your items, even from your smartphone, and then pick them up when you're next in the High Street.
I believe that this has fuelled Next's expansion and has propped up retailers such as Boots and Wilkinson.
The latest news from Argos is further proof that this is where the immediate future lies.
If you are a small retailer then you an offer a wider range from a small premises with your online or catalogue offering. Then your customer can collect from you at a later date. This increases your sales, keeps your floor space uncluttered, widens your range and pleases your customers.
What are you waiting for?