In the video you're talking about what you store, but I don't quite understand. You store my tweets? All my friends' tweets? Why? Can I export them from your system? Delete them later on? What happens when I close my account?

yes we index your tweets so you can search them. if you never come back to the site we stop indexing them.

You can revoke access to the app from here http://twitter.com/account/connections

We don't yet support full delete of all history, but it's on our list.

Also, we are adding support for an api so you can interact with the site/export your history programatically.

Searching just friends should be useful, but I don't understand the requirement to give access to my twitter account. In fact, I ended up not trying it.

The only way to access your personal twitter stream is via authenticated access, like any other twitter client.

Only if my tweets are private, I should think. There are public methods for getting a list of people I follow, and public methods for getting the tweets of any person (except for private tweets). In combination, these two should make my login credentials optional.

it's nice. would be even nicer if there was some way to cache tweets from my friends so I could search history. searching current can be done pretty well with Tweetdeck, I think. Google Reader is archiving a lot of peoples' tweets. See Dave Winer script to access. Nice smooth UI though.

this does search history from the point you create your account :) thx for the feedback.

I've definitely been looking for something like this. Just wish it had access to further history :)

twitter api limits us to your history, we could resort to scraping perhaps?

That's what I figured. Scraping might violate the TOS and would require an actual search bot/crawler/parser as opposed to simple API access. I was more complaining about the limits of Twitter in general; I think this is a huge step in the right direction, kudos.

> Scraping might violate the TOS

If an orgasnisation publishes stuff on web pages, they can hardly object if others choose to access that data!

  friends'

OAuth says, "Please come back later."

I like it. Been looking for an app like this.

+1 for the Trends.