The founders of the social network Twitter — having already conquered the technology press/mainstream media and experienced the kind of rapid growth that one usually associates with viruses or kudzu — are hard at work on new features that may lead to the true holy grail of Web 2.0 companies: money. In an April 1 blog post titled “The Discovery Engine is Coming,” cofounder Biz Stone details his company’s latest efforts to get users to stay on Twitter longer by tweaking its search engine.
