Techcrunch: Dropbox Acquires Stealth Messaging Startup Droptalk
Yahoo Finance: Dropbox Acquires Startup Droptalk
Tech Times Here’s why Dropbox bought Droptalk (and ‘Drop’ has nothing to do with it)
First Post: Dropbox acquires Droptalk, a cloud-based workplace chat service
NDTV: Dropbox Acquires Messaging Start-Up DropTalk
GigaOm: Dropbox acquires MobileSpan and Droptalk: It’s going to be a busy year
Silicon Republic: Dropbox acquires email killer Droptalk
Venture Beat: Dropbox buys Droptalk, bringing conversations and storage closer together
Fast Company: Coverage about Droptalk
Anand Prakash's thoughts on Entrepreneurship, Technology and Company Building 