Twitter Inc's Blue verified service is scheduled to roll out on Friday, but only on Apple's iOS mobile software, the Information reported on Tuesday, citing a person briefed on the plans.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Twitter Inc's Blue verified service is scheduled to roll out on Friday, but only on Apple's iOS mobile software, the Information reported on Tuesday, citing a person briefed on the plans.
### Response: mildly negative