web1.0 - read only (consumption only, very few self creation/publishing tools) web2.0 - read/write (forums, communities, cheap/free hosting) web3.0 - read/write

web1.0 - read only (consumption only, very few self creation/publishing tools) web2.0 - read/write (forums, communities, cheap/free hosting) web3.0 - read/write/own (blockchain)