Firstly, a big welcome to all you new BitTorrent Sync users!
Don't know where to begin with Sync? - Check out the Getting Started guide or explore the new Sync Help Center.
The forum has exploded into life since BitTorrent Sync first went "public" on Tuesday 23rd April 2013, so I thought I'd make a supplementary post to compliment the official "BitTorrent Sync FAQ"
I'll keep this updated with simple, concise answers to common questions that keep cropping up, and which aren't, as yet, covered elsewhere.
Having a problem with Sync? Be sure to check out the Unofficial Troubleshooting FA