"Medlife Crisis" has an interesting video about this: https://www.youtube.com/watch?v=hT8GZlBBv5k (Cyclists' hearts: can you be so fit that you die?)
((long) upTo) - from + last;
I would think it just takes less than 1 ms on first execution. grep -o -E "://.*?," current.csv | sort | uniq -c | grep -v "1 ://" | wc -l
8310 google.*##.g:has(a[href*=".pinterest.*"])
google.*##a[href*=".pinterest."]:upward(1)