With the launch of these Google Base front-ends, Google is clearly putting into place the major pieces required to support its vertical search platform. Broadly speaking, such a platform requires 4 major pieces:
Most people remain unimpressed by Google Base because it doesn’t seem to contain a lot data. That’s because what you are seeing is a work in progress that is being purposely hobbled to reduce load during the testing phase. Google has now built beta versions of pieces #1 and #2. We will un doubtedly soon see pieces #3 and #4. Only when those pieces are in place will Google Base fulfill its potential.