Sell ​​products and ebooks via micro-payments

This solution is becoming increasingly fashionable among the Pro Blog: selling an ebook (downloadable PDF book), sell newsletters templates, skins of blogs ...
With Paypal payment solutions, SMS or Audiotel you can sell anything from € 1!

Some micro-payment solutions: www.allopass.com, www.micropaiement.com, www.123ticket.com, www.movo.fr. ..