- For now we do not support AND/OR keywords. We track each keyword separately.
- It is not sensitive to case. It is sensitive to specific character like French accents. More info in the track description : https://dev.twitter.com/streaming/overview/request-parameters#track
- yes it is possible to have several streams running in parallel with the same tokens.
Not directly. But it is possible to stream and then process the result. You can activate the retrieve of the Language column in the parameters of the dataset. Then you will be able to filter on the one of your choice as a post processing.