Two new little Google Voice features just made their way into Gmail. A new option lets text messages sent to Google Voice show up as e-mail messages in Gmail. You can reply to messages from Gmail, too, which makes it a nice platform for carrying on a text message conversation.

Google Voice text messages can now be read and replied to from within Gmail.

Also, there's a new Labs feature in Gmail that lets you play your Google Voice voicemail messages from inside the Gmail viewer. Previously,...