The first instance occurred while I was doing preliminary research on the upcoming game World Without Oil. I learned about it from Cardhouse and was excited about being able to join an ARG on its startup. I have never played an 'alternative reality game' before and so I did what most newcomers to a discipline do: I checked it out in Wikipedia. Except the entire ARG entry had turned into one giant link to some gaming site. I couldn't 'undo' this change because this invisible link covered the entire entry page. I guess this was an apt entry point into an alternative world.
The second instance occurred when I was
Small shifts in reality can still make you feel a little uneasy.