A better question would be "why?"Why not control everything from Ipad, netbook, laptop, pc or smart phone ?
Modernisation seems to want automation. The ability to look at various things at various time from a common source such as an iPad may well become normal for our grand children.
Instant real time costs of energy used in house.
Alarm / Security and CCTV control
Access control
Lighting
Heating with zones and individual room control
Music
AV
Network
Comms
I'm sure there's a host of other day to day functions to add to the above.
I'm not sure there's a direct answer to 'why', other than 'why not'- the humble pc is 30 years old, the net 10 or so, smart phones 4 or so. Progress ?
Do you really think that in a few decades such home auto kit won't be common place in new builds ?