Hi Alfredo,

I recommend taking a look at the Twitter Streaming API at
http://dev.twitter.com/pages/streaming_api for an application like this.

Taylor

On Wed, Jul 28, 2010 at 1:15 AM, Alfredo Baraldi
<alfredo.bara...@gmail.com>wrote:

> I'm creating an application that relies on public / timeline: this
> application must   must be select  the posts that   have a value
> preceded by "$" character, eg "Today I buy $AAPL to the stockexchange
> i like apple industries", and then i store them in a database. My
> question is this: is it true that you can not because "the problem
> here is mostly due to volume. A cron-driven php script will not be
> able to filter the whole stream, since there is a limit on number of
> returned results, and people post quicker than we can receive?. For
> instance, if you search something rather generic twitter, there will
> be thousands of new results after a few minutes; we can only fetch 20
> posts through public timeline"
>
> At this URL "http://stocktwits.com/streams/all"; there is an
> application that responds to my own needs, and reformulating the
> question:  with the current Twitter API is it  possible to create an
> application that aggregates all the Twitter messages that contain a
> symbol preceded by the character "$" ?
> Best Regards
> Alfredo
>

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