The challenge of a prompt like this is rooted in something Arthur C Clarke once wrote... those who attempt to predict the *near* future usually overestimate human progress whereas those who attempt to predict the *far* future usually underestimate human progress ... so for my answer I have assumed that humanity has conquered things like the common cold, AIDS, etc., and also that we failed to conquer global warming.

Delete Spam
100 years from now I suspect that there will be 10^6 pieces of junk email for every actual real message (for you non-geeks, 10^6 = 1 million).

Exercise Me
100 years from now I will be buff and toned, and the robot will do all the work for me.

Download Today's Forecast
By 2109 we will all be living underground b/c the surface of the Earth will be largely uninhabitable due to fallout from the Iran Nuclear War as well as Global Warming; the robot will need to get the latest update on the radiation level, smog level, and temperature for the day in order to program the thickness of my personal flight craft.

Change His Form
My robot will also be my pilot. Of course, he will pilot the craft while dressed in full Scottish military regalia.

Fly Us
We'll go on a day-trip to Antarctica, or the ruins of London. Or maybe spend the day sailing across the lakes on Titan.

[censored]
C'mon, this one is obvious. My robot will be wearing a kilt, charming me with a perfect Scottish brogue... you can figure out the rest... heh heh...