Honestly, you CAN vape where you want...the trick to this of course is vaping openly or stealth. Because vaping looks like smoking, many people, especially those who don't smoke find the very "act" of expelling a smoke like substance is offensive. It doesn't matter to them whether it is actual smoke or vapor or pig's farts quite honestly. Look at all the Youtube videos....do you find it "appealing" as some 20 year old something or other takes a huge hit on his pv then blows a plume of vapor at the camera lens....it looks rediculous.
Be discrete. Do you really NEED to vape in public places? I mean, can you go for an hour without "having" to have a drag on something? Really? A little self discipline goes a long way. What will serve the vaping community and the acceptance is for people to have a little class and fortitude to view thier way of life in consideration of others.
I've vaped in people's homes (in the bathroom) as I was staying with them overnight as well as the guest bedroom...not a problem...no odor...no foul, no error. I have a few friends that are so anti-smoking it is unfathomable. Meanwhile, they drink Coke, eat crap and are overweight....then have the audacity to go on and on about the ills of smoking. I've even vaped in the back seat of those friend's cars when they are driving, none the wiser.
The key to vaping in public: Be curtious, be aware of others, don't be offensive and be classy. We live in a society to where smoking (or anything that even resembles it) is taboo. It's ok to have affairs, divorce the love or your life, cheat and steal at work, embrace obesity but God forbid, you heathen, don't you dare smoke. Back in the 60's-70's smoking openly was a way of life...for everyone, smokers or not.
So, I apologize for my rant but in direct answer to your question, be smart about it.