According to a report published recently by Wikibon the total Big Data market reached $11.4 billion in 2012 and is expected to reach $18.2 billion this year. IDC says big data will be $24B market by 2016.
As for the Cloud, the cloud computing marketplace will reach $16.7 billion in revenue this year, including the large and well-established SaaS category, according to a research report by 451 Market Monitor, compared to a revenue of $8.7 billion in 2010.