The rule of thumb is "in" means precise location, "at" means visiting for practical purposes. Taking shelter from rain in the bank, or ... ... <看更多>

For data in other locations, you must specify the query location explicitly. Update. As it stated above - Queries that run in a specific ... ... <看更多>

Analysing and visualising the geo-location and tracking data that Facebook collect at an individual level. This is the second part of my ... ... <看更多>