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The front-end part looks ok to me. I hope your invite queue advances quickly enough so I can try it soon.

The instant-meeting-setup feature is nice, but the main email/agenda solution have this covered in an acceptable way already, IMO.

I know for a fact that providing a search feature in a mail service isn't an easy problem to solve. Can you tell us a bit about the infrastructure behind this service ?

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Good points. Thank you. About searching the email inbox: Upon first signing on, all emails (and filenames) in the inbox will be indexed and cached to MySQL and we're also working on providing an option to use WebSQL to cache this locally.

You may want to aggressively filter the amount of emails you're going to index, then. It's not rare that people have inboxes bigger than 10Gb.

To be honest, I think email search is something even Google hasn't succeeded yet. The way it's introduced on your homepage makes me think you have succeeded...but it will definitely be HARD to scale if your service becomes popular.

Yes that is absolutely correct, we'll be using an agressive filter for what data is indexed, and to make it fast, the search will primarily search the most recent emails & files...

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