If you are going to build a search engine, you'll need all of the Tweets to search over them. For this, you'll want to take the Firehose of all public statuses.
http://apiwiki.twitter.com/Streaming-API-Documentation You'll need a commercial data license to do this. Email api to get started. GAE currently does not allow standing connections to the Streaming API. Also, you'll need considerably more resources than GAE to build a search engine. You'll need dozens of cores and hundreds of spindles just to get started. -John Kalucki http://twitter.com/jkalucki Infrastructure, Twitter Inc. On Sun, May 2, 2010 at 5:28 AM, nischalshetty <nischalshett...@gmail.com> wrote: > I plan to build a search engine which would utilize the search APIs. > Should I be using the Twitter Search API or the Streaming API to do > the same? > > What is the difference between the two and would the Streaming API > work on the Google App Engine? >