My biggest inconvenience is that I can't see my overseas friends, in person, every day.
Sure, there are planes, but I'd also love to have this privilege without the time inconvenience and the jet lag.
Okay SG people, let's hear your inventions.
nebula:
I have the same problem - all my friends live elsewhere :(. We need Elon Musk to hurry up and finish his Hyper Loop haha