The Big Data analytics marketplace is truly heating up in terms of interest, activity, technology and competition. According to a Wikibon report published recently, the total Big Data market reached $11.4 billion in 2012. But 2013 is the year that big data is going big time, so here we bring a round-up of what various IT industry executive have been saying about the fast-growing sector reckoned to be headed toward $53 billion by 2017, culled from Cloud Computing Journal and Big Data Journal.