I think all the time. Not nice, organized thoughts necessarily. And all my thinking mostly just leads to me hovering in a generally unhappy mood. Of course, a sibling and I have discussed it before and agree that our parents never raised us ("reared us" if you're snobbish about such things) to be. (If you believe it is incorrect for sentences to end in a preposition, see the write-up at Dictionary.com under "preposition".) [I DO believe I posted the warning that I use parentheses a lot.]
See? I started off writing about thinking then my caveats and other thoughts rushed in to jumble things up a bit.
Recent recurrent thoughts:
places like YouTube are overwhelming due to their size
I spend a lot of time, money, effort, etc. on the IDEA of being prepared
phones / pdas / cameras / etc.
I love quotes and have many favorites. One favorite is from Catch 22 by Joseph Heller. There is a pilot named McWatt who often says "Oh well, what the hell." I like it.
Today's Photo:

This photo is from Colorado this past November. I really liked the look of it. I should probably edit out the vehicle underneath but likely won't ever do so.