APFIVE Crowdsourcing for Data Collection
A community project aims to map pollution sources by collecting data from volunteers’ smartphones. What method are they using?
A
Public key encryption
B
Cloud computing
C
Crowdsourcing
D
Targeted advertising
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | tianbo.shen | 1 | 1 | 0m 04s | 96 |
| #2 | soniahalepota2005 | 1 | 1 | 0m 08s | 92 |
| #3 | basel.coder | 1 | 1 | 0m 08s | 92 |
| #4 | vdang29 | 1 | 1 | 0m 11s | 89 |
| #5 | 230013 | 1 | 1 | 0m 12s | 88 |
| #6 | mahmoudjibrin08 | 1 | 1 | 0m 13s | 87 |
| #7 | ardenashuri | 1 | 1 | 0m 15s | 85 |
| #8 | gtsak31 | 1 | 1 | 0m 41s | 59 |
| #9 | djy181023 | 1 | 1 | 3m 27s | -107 |
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