The most successful of these new Big Data mining toolmakers and consultants will likely be those that first master and then advance the technology of data compression.

FORBES: The Big Data Gold Rush

But he says that with the help of SAP data compression technology that crunches down data by 10-20x, you can now run the largest companies in the world with several years of transactional data in main memory.

FORBES: SAP Sees 'In-Memory Computing' Driving Major Change In IT