Steven Soderbergh's 'Mosaic' puts together intriguing puzzle

Paul Reubens, Sharon Stone in 'Mosaic'

(CNN)"Mosaic" takes its name seriously, putting together a picture with a shifting series of pieces, as the perspective shifts from one character to another. In that, this HBO drama from director Steven Soderbergh essentially takes a pretty conventional murder mystery, dresses it up with a gimmick and comes away with a pretty compelling if somewhat conventional story.

The aforementioned gimmick involves an app made available in advance of the show, allowing viewers, as HBO puts it, to choose which characters to follow and "build their own experience from the material created and curated by Soderbergh and [writer Ed] Solomon."
Interactivity of this sort has long been discussed, and it's becoming more p