LG G2 moves buttons to the back

LG's flagship smartphone takes a different design approach, Facebook copies Twitter's trending topics, and the app Agogo goes after radio.

CNET Update finds a new button to press:


In this episode of Update:

- Check out the back buttons and other unique features of LG's new G2 smartphone.

- Compare the G2 hardware specs against the Galaxy S4, Moto X and HTC One.

- Keep an eye on Facebook's mobile site for new trending topics.

- Send a voice message on the popular messaging app WhatsApp.

- See if the audio app Agogo can challenge local and satellite radio.


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