Forget Hangouts - Google has unveiled a brand new and much smarter messaging service called Allo.

Allo has a number of other unusual features that are missing in most messaging.

When you want to convey that you are more vocal has CAPITALS previously been a popular option.

Do you want to emphasize a message, you can, for example, increasing the size of the font.

It acts as a more human edition of Google and Now and voice search, in text format.

Developers will be able to extend functionality in different ways and create new opportunities for chat bot.

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