[the_real_r2d2]

Not working for either. As many others I think that both (MS and Google) tried to win the other with lame PR and a broken application. The result is embarrassing for both.

[thezilch]

"[...] look forward to having a product that showcases how tweets can make search better in the coming months." -GoogleBlog

In other words, Google has yet to release an unpolished product, unlike MS who released what is already better done on Twitter itself.