Twitter, Square and LivingSocial are reportedly taking steps to bar investors from secondary market trading. [Bloomberg
Dennis Crowley is likened to Graydon Carter and Kurt Andersen in the third paragraph of this Ad Age profile. [Ad Age]
Groupon will drop that wonky accounting that ruffled feathers in its IPO filing. [ATD]
New funding may value Dropbox at $10 billion. [TC]
“Shopper Receipts Join Paperless Age.” [NYT]
Follow Dan Duray via RSS.