Medium-HardAnalyzeBack-of-Envelope EstimationMultiple Choice
Why is Uber's location write QPS dramatically higher than Twitter's tweet write QPS?
Analyze — Tests ability to break down and examine complex problems.
Answer Options
AUber has more users
BDrivers send GPS updates every 4 seconds while Twitter users tweet once a day
CUber uses a less efficient database
DLocation data is larger than tweet data
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