Westminster's three main party leaders are promising "extensive new powers" for Scotland IF voters opt to stay in the UK.
David Cameron, Ed Miliband and Nick Clegg have all put their names to the pledge.
But critics insist a Yes vote is the only way to guarantee Scotland the powers it needs.
Meanwhile, Facebook says there were more than 10 million comments, posts and likes about the referendum during a five-week period.
SNP deputy leader Nicola Sturgeon says there's been amazing interest:
