I don't always appreciate auto correct, but when it changes "Superbowl" to "superb owl" I do.
I'd like to know who the genius was who scheduled a full moon, Mercury retrograde, and Friday the 13th all for the same day. #duckandcover
But it's totally fine to start a sentence w/a conjunction. And I do it all the time. So go for it. bit.ly/1sbK7Uz
It's National #GrammarDay, wordies. March forth ... and be kind.