More and more companies are devoting more and more of their advertising budgets to digital channels such as search, social, and mobile. And for good reason: In many if not most cases, you can't effectively reach your customers if you ignore the digital channels that are used on a daily basis by countless individuals.
With Twitter reducing its search history to four days, it is a challenge for applications that are dependent on search results, that went not days but even months back. Several applications have taken on the challenge to fill this void and are building search indexes on top of Twitter. Topsy is one of them and it's sharing its results as an API.