Twitter Next Positioning

According to the attachment article on Twitter's (Next) Positioning, it looks like the company will have soon to decide on whether they should try to emulate the success of Facebook (the "Me-too" approach) or emphasize their distinctiveness and "double-up" on their traditional strengths (e.g., speed and real-time coverage of events). Which of the two approaches would you recommend? Why? Explain using specific Marketing concepts & principles. (2 pages)