Wonder how it fits with developer terms.
eg. 5d
Do not use, access or analyze the Twitter API to monitor or measure the availability, performance, functionality, usage statistics or results of Twitter Services or for any other benchmarking or competitive purposes, including without limitation, monitoring or measuring:
the responsiveness of Twitter Services; or
aggregate Twitter user metrics such as total number of active users, accounts, total number of Periscope Broadcast views, user engagements or account engagements.