I use guards when working out when a diaper would be impractical. I'm fairly impressed on how well they work these days. I remember decades ago they were so bad you might have just stuck some Kleenex in your pants.
I got one with their teddy bear print of of Changing Times's site. What I usually carry in my bag however is just a disposable underpad (chux). If it gets dirty in the process, I can just toss it.
When I was in a 24/7 stretch but working in the office, I was wearing "cloth" covered ones and would just untape the top tape on one side and it was easy to slide it down and up. As others point out, for the ones without refastenable tape, I can usually shimmy it down over my rear and pull it...
DL and change when out. Back when I worked in an office, I'd go out to the mall (a few blocks away) or a restaurant to change rather than doing it in the office bathroom (if anybody was around). Other than that, I change pretty much without worrying about it. Carrying out the dirty is...
I have a twitter account solely because I was editing a book on how to interface ios applications to social media and I needed to test out what the author put in the book for correctness.
Other than that, I don't really use it (though people seem to be following me hoping that one day I might...