Ranked in these QuestionsQuestion Ranking
Pro Offers hiring a dedicated personal assistant that maintains the address book
Plaxo's most expensive plan includes a dedicated personal assistant that will maintain the address book as well as create reports, documents, and spreadsheets if needed.
Pro Helps deal with duplicates
Can automatically find and merge duplicate entries.
Con Limited free plan
Plaxo's free plan offers no unique functionality - it will pull information from a variety of sources, clean duplicate entries, and keep them updated (but only if the contact is a Plexo user).