Fear not, this will certainly see the development of long range bar-code readers capable of decoding information from a range of several miles and capable of connecting to mobile phone technology so that numbers could be download direct to the pc. No more lost or soggy notebooks...
The serious spotter could thus dispense with most of the usual tools of his trade, viz, binos, airband, biro, and the battered but well loved edition of CAM (leaving more room for thermos and sarnies).