Mashable - If you're as big as Google, there's no such thing as a small product launch. So when Google introduced voice calls into its ***mail service Gmail, essentially launching a Skype competitor, it was bound to be a popular feature.
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Mashable - If you're as big as Google, there's no such thing as a small product launch. So when Google introduced voice calls into its ***mail service Gmail, essentially launching a Skype competitor, it was bound to be a popular feature.
Source