Hey, I've been using Firebase for a web client I've been working on for a bit and I like it a lot! Would you consider updating your transactions page with an example of a text change? Such as adding a word in the middle of a paragraph. I'm not quite sure how that would work.
Collaborative text editing generally requires a bit more than a simple transaction to work well (Operational Transforms are generally involved). You can use transactions as a basis for this though. We've got some examples coming out soon to show how to to do this. Stay tuned...
