Fred Wilson

Prominent venture capitalist Fred Wilson says the social network should develop a feature that easily allows users to string together longer arguments via a series of numbered tweets. But would eliminating the platform's enforced brevity kill its central appeal?

In this question-and-answer interview, Wilson discusses retirement, Tumblr's exit and getting over a difficult year.

Amid much criticism, Foursquare is mounting an offense that has many in the startup world sitting up and taking notice.