By Chandni Doulatramani (Reuters) – Ebay Inc will buy payment gateway Braintree for about $800 million to strengthen its PayPal unit's presence on mobile devices and take out a rapidly growing rival. PayPal, the dominant online provider of payment services, has been trying to fend off a clutch of fast-rising competitors such as Braintree, Intuit Inc's GoPayment and Twitter founder Jack Dorsey's …
More: continued here
