I'm not sure who's seriously interested in most of these features, fun factor nonwithstanding. One of bicycles' strengths is simplicity of critical elements, notably the gear switching. How do they make sure that the electronic system doesn't die on the rider when the battery goes flat? How do they deal with increasing slack in the lines? Who really benefits from turn signals? Unless they are mounted on special stalk…
I agree with you but Shimano has kind of built their entire business in the bicycle market on planned obsolescence, changing the number of gears to make equipment incompatible every few years and then making the highest end shifting electronic (and incompatible with prior versions) when they reached the practical limits of chain width for bicycles (they tried introducing a new standard chain size for bicycles that re…
While electronics should open new hackability options, I'm afraid that's just not going to happen. ANT+ standard, for example, requires an NDA before you can make an implementation. Bike computers themselves don't have a serious open option (Jazda needs more work before it can be sold).