- wikijacking: replacing wiki stuff with your content en masse
- modating: surely they are doing this in japan
- netcasting: fish procurement technology
Some of the empty squares suggest definitions; i.e., "friendblogging" could be either going on about mundane details of one's life that only concern those who know the author, or possibly LiveJournal-style friends-only blogging with social-network authentication.
Podzilla exists; it's the default user interface for iPod Linux.
I remember a (semi-)co-worker years back doing a similar prefix/suffix matrix for company names, and then checking to see how many of them existed as .com domains...