One of the things I struggle with (honestly and admittedly) is intervals for extended tests. I am reading the rules on extended tests and time intervals, and I cannot find a standard by which we are supposed to use. The book does have a chart where we could quickly set the interval and difficulty, which I am more than happy to use. Difficulty on what you are doing is not that hard for your first 2 tasks, so we'll say an interval of 1 minute.
The difficult thing here is you rolled 7 times on the first task, so I now have to gauge how long that truly takes. The task is simple, yes. But without waiting to see if you garnered any information on the first test, you continued to roll until you accumulated a ridiculous amount of hits on something that was the hot news item several years ago. Finding information on the Mayan Cutter that was in the news is no problem. My point is that I have to determine how long it takes you with the number of rolls you made, and I'm gonna say 1 minute per roll as you are continuing to search, so that's 7 minutes on the first search. This will apply to the second search as well, with 1 minute for each roll (although I don't know what you expect to find on Mrs. MacCallister on the internet, but it's cool).
The third search...we'll deal with in-game.
So, we're looking at 7 minutes on the first task, 7 minutes on the second task, and at least 7 minutes on the third task (which we'll deal with in the game itself).
Is that fair? I'm not perfect, and I'd like to get this right so we can get on with the fun!
EDIT: What do you know - page 230 in SR4A shows searching the entire matrix as 1 minute, so I guess I'm right on with that. But, let me know what you think.