Could social consumer tech make your 1.0 site a 2.0 one for free?

I've been ferreting around among the 2.0 social shopper applications and have started to think they may offer a fast, free track to 2.0 social-facing consumption for 1.0 websites.

For example; imagine if argos.co.uk added the offertrax button (see below) to all its inventory, suddenly they get all the advantages of 2.0 with none of the costs, trouble of conversion, need to convince consumers to take up a novelty etc etc.

And so it goes for any digital play which lists stuff for sale - particularly if those catalogue listings change with fairly regular rapidity (consumer electronics, clothing, groceries etc etc).

It could even apply to a classified model (though eBay might fill your rss inbox a bit quick!) - provided you allow users to update their offering (eg change the price).

For more on offertrax and similar social shopping offerings, see links below.