What is in-Memory Analytics?

Bill Franks provides a good overview.    Read the whole piece, well put.  " There’s been a lot of noise lately about the concept of in-memory analytics.  As a recent example, if you followed the press around some major conferences in late April, you’ll notice that a lot of messaging was present around in-memory analytics products.  Many people have been asking questions about how in-memory can fit into their mix and how it relates to other options like in-database analytics.  So, what’s up with in-memory analytics? .... "

It is about volume, speed and complexity.  And with increasing data availability, we need more power to transform data into business value.