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I just would like to know why there no price for a month in basic plan only year , but if don't want to sign for a year ? Basic is the first step to try "bonus" plans , but sign for a year is...

suggestion Diigo premium basic sign price cost freemium tiered service

started by Tyme 2.0 on 15 Sep 10 1 follow-up, last by Maggie Tsai on 15 Sep 10