For the last couple of years , there has been a lot of giddiness around the creation or Rich Internet Applications or RIAs . Their fluidity , animation and ability to present and manipulate large amounts of data makes them readily appealing to businesses that want to go beyond the linear processes that HTML web sites offer . They are becoming more common and the demand from clients is increasing .
According to the above context, answer the following question.
What subject is the narrator discussing ?


They 're talking about IT .