Dropbox Notes poised to challenge Google Docs at launch

After testing a collaborative note-taking service early this month, it appears that Dropbox is now ready to have users sign up for Dropbox Notes.According to TechCrunch, Dropbox Notes is the latest form of Project Composer, a service that was part of the HackPad acquisition. Under the Dropbox branding, the company is now inviting teams to sign up for the private beta. As part of the beta, Dropbox is asking companies for their name, email address and company name. Currently, Dropbox isn't providi