sideeki -- one sign things are getting really interesting will be when we discover their Deep Web, their own realm on (and increasingly as) the net -- and that we can't decipher, let alone comprehend, what's on it without (or [comprehend] even with) their cooperation and help
M2M -- machine to machine (networking)
IoT -- internet of things (including without limitation adding more sensors of all types, far more varied and capable than our senses, to the net, to them, than there are humans -- for starters)
big data
the cloud
we're (very) actively building (it for) them