The company hopes to go public at anywhere from $17 to $20 a share, it said today in an SEC filing. Twitter plans to sell 70M shares, putting the potential proceeds at about $1.3B. It also suggests that the company would be worth about $11B. That would be much smaller than Facebook (with a market value of $127.7B) and Yahoo ($35.2B) but bigger than AOL ($2.8B). Execs are about to go on a road show to sell the stock to institutions, The Wall Street Journal reports. Shares could begin trading on the New York Stock Exchange as soon as November 7.