Though the pundits are declaring that the recession is over, the markets aren't yet reflecting their optimism. Prices for many key commodities and the energy used to convert them into finished goods are at two, three and in some cases, four year lows. So there are still plenty of savings to be had. On September 1, Ariba, Inc. (Nasdaq: ARBA), the leading spend management solutions provider, will outline ways in which buyers can collaborate with their suppliers to uncover hidden opportunities for savings across categories and drive them to the bottom line during an interactive webinar hosted by the Sourcing Interests Group (SIG). The live session will be held from 2 p.m. ET to 3 p.m. ET. Click here for more.