The best replacement for ppc is seo.

The best alternatives to ppc are rated as following:
★★★★★  seo
★★★★  intel
★★  x86
★★  cpm
★★  cpc
★★  palm
★★  sem
★  ppg
★  ppv
★  smartphone
★  arm
★  btc
★  large laser
  ppf
  er ppc
  nmc
  22 br
  treo
  organic seo
  6mm br
  adwords
  pay per click
  i386
  ppa
  display advertising
  organic search
  opc
  organic results
  google ppc
  palm os

Your alternative for ppc is not listed? Suggest!
Speaking about ppc, one probably shouldn't forget about clickbank.

Other search terms related to ppc and their ratings are:
★★★★★ clickbank
★★ opportunity cost
You have in mind a companion for ppc and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ppc in all years. Click on graph for more.
ppc
seo
intel