Would it be better to modularize your design to allow for multiple search providers, two of which are Facebook and Twitter? Build on them while you can. If, in

Would it be better to modularize your design to allow for multiple search providers, two of which are Facebook and Twitter? Build on them while you can. If, in the future, they decide to kill your access, let your users know. Tell your users how to contact the offending provider. Get a small grass roots movement going. In the mean time, build something that at its core is yours. Build it out. Make it a following.