| http://www.w3.org/ns/prov#value | - It can also be a good fallback for people who aren???t comfortable with online transactions, but who like your offer.Remove barriers to valuable contentIf you are giving something away for free, but asking for personal details in exchange, offer something that really is for free in advance, such as a small portion of the materials you are providing (a chapter 1 preview etc.).
|
