What does creating a tight feedback loop mean ? I often see it in context of emails:
You can also get feedback on your personal attempts, creating a tight feedback loop.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.
This is a feedback loop (from RJMetrics):
In many such loops, there can be some considerable delay before each stage is apparent — you might make a decision which it takes a couple of days to put into action and another week to evaluate. A tight feedback loop makes the time for each arrow very short.
In the context of
it means that your attempt is evaluated very quickly, the results of that evaluation are communicated to you and you can [probably] make another attempt; and all of that happens in one session.
Reads like marketing jibe to me. In that case it would mean "you get feedback." As in more filler, because the email was already mentioned.