To blog or not to blog

I'm starting this, my first blog ever, in the middle of a trip to Sri Lanka. I've been writing email accounts to a few family members, but have had friends ask for tales of my adventures. I'm pretty sure they were just being polite, and I'd hate to clog their in-boxes with my blatherings, so have decided that maybe a blog is the way to go - they can read if they like, or not, and be spared feeling an obligation to respond to a stream of too-long emails, and I'll be none the wiser. It's a win-win! My only concern is that this might reach a wider audience than I anticipated and I might inadvertently cause some offense. If I do, please be gentle in your criticisms. Also, I'll be changing some of the names in my stories to protect the innocent, the not-quite-true-to-life, and honestly, because Sri Lankan names are difficult for me to remember.