Making web services with OAuth: Just what we need

Reading PHP Architect's November 2008 issue (and in particular the Google Gadgets article by Timothy Boronczyk), I remembered reading a name yesterday (on the Elgg.org features list) that I have seen very often and which I never  got to the bottom of: OAuth. Well, today I decided that this ignorance was enough and that it was time to get there and see what it is... and it just happens to be exactly what we need in Dokeos to secure our web services!