As you can see by the responses here, PF and what remedies help to deal with it, vary from person to person, what works for one doesn't work for another (go barefoot/never go barefoot) . I think the common thread is to figure out what works for you and take care of your feet to prevent a recurrence.
I could not agree more.
I have been a runner since childhood. I got into barefoot and minimalist running a while ago, and really liked it. I slowly worked into minimalist shoes and improved my mid-foot strike. I read the same information Poser has, and was just generally excited about strengthening my feet.
Then, I worked into longer miles in minimalist shoes after a few months, and that is when I got PF. I tried to fight through it, and finally the doc gave me the "It's an injury-let it heal" advise. He also said maybe go back to a shoe that I never had trouble with in the past.
I rode the bike and let the injury heal. I slowly started running again, and went back to the standard runners with cushioning and some drop.
Now, I do a bit of everything. I spend a lot of time barefoot at home. I stretch my calves and arches a LOT. I work on balance and foot strengthening exercises regularly.
I keep working on mid-foot-strike running, BUT...
I run in cushioned shoes with drop.
Since then, I have had no issues.
That is what worked for me.