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Push messaging developer Urban Airship acquires PassTools creator Tello

Mobile high performance push messaging software developer Urban Airship has acquired Tello, a Palo Alto-based startup that launched PassTools, a leading Apple Passbook management service. Passbook is an iOS app that lets you electronically store things like tickets, coupons and gift cards. Tello debuted its PassTools platform on September 19 and experienced tremendous success with… Read More