This review is on a positive note for HelloFax/HelloSign.
At times I have seen some rigid requirements to fax the documents, be it offer, any other agreement or so.
very well said by their marketing team --
Even if you can't get rid of faxes, you can get rid of your fax machine!
This is the time when this service is really handy.
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Disclaimer: I have not used this service at all.