I want to completely remove the registration page from my web app (for obvious simplification and uniformity) and only use "connect with Facebook" and "connect with Twitter" the website is a technical one regarding the web and such so the public is somewhere above average (I presume), would this be a "safe" decision ?
migrated from webapps.stackexchange.com Mar 16 '11 at 5:08
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Depends if you mean safe as in secure, or safe as in for the benefit of your website.
In theory using twitter/facebook is more likely to be secure than rolling your own registration - this very website made the decision to use openID as supposed to rolling its own, so your in good company.
The most immediate thing which springs to mind is what if people don't have twitter or facebook?