Twitter buys Irish push notification specialist
OpenBack system puts privacy first, Twitter says, and team will now join Bluebird product unit
OpenBack system puts privacy first, Twitter says, and team will now join Bluebird product unit
Dublin-based company has enabled users to send more than 300 million top-ups globally
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Founder Mark Roden previously teamed up with Denis O’Brien to set up Esat Telecom
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