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Twitter Link Roundup #156 – Small Business, Social Media, Design, Copywriting, Marketing And More

crowdSPRING Blog

The problem with a Lean Startup: the Minimum Viable Product | Paul Kortman – [link]. Campaigns | NYT FiveThirtyEight – [link]. The Biggest Problem in Mobile: Retention – [link]. The Biggest Problem in Mobile: Retention – [link]. Campaigns | NYT FiveThirtyEight – [link].