<a href="http:&#x2F;&#x2F;www.ibm.com&#x2F;smarterplanet&#x2F;us&#x2F;en&#x2F;ibmwatson&#x2F;developercloud&#x2F;services-catalog.html" rel="nofollow">http:&#x2F;&#x2F;www.ibm.com&#x2F;smarterplanet&#x2F;us&#x2F;en&#x2F;ibmwatson&#x2F;developercl...</a><p>the &#x27;learn more&#x27; part for each service should tell you more about what each service does.<p>hope this helps. it would take me a long time and a lot of copying and pasting to relay all the same stuff.