Dropbox launches an iPhone and Android version of its document-editing app Paper

Quip, in a similar vein to Paper, was bought for a whopping $750 million by Salesforce earlier this week. This deal surprised a ton of people, but made a lot of sense given that Salesforce has seemingly been dipping its toes into collaboration software. So Quip is a great, and natural, fit for Salesforce and places it in further direct competition with products like Paper.

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