Case in point 1 - Today, I went to Spotlight to get some ribbon. I got 3 types, and, well, some other stuff too.
Case in point 2 - Tonight, I was gunna come home and start sewing, but I got on the internet for a bit. For about an hour.
Case in point 3 - There's new episodes of Psych and QI on the internet tonight. But I accidentally watched 4 episodes of Angel instead.
Case in point 4 - I started writing this post two hours ago.
Case in point 5 - I switched to a new tab thinking I'd pressed publish. That was 20 minutes ago.