How to Upgrade MacBook RAM (13-Inch Aluminum Unibody): EveryMac.com
2008 MacBook Review: Better than a modern MacBook in many ways
15-inch MacBook Pro Late 2008 Memory Installation Video - YouTube
Dear Apple: Please use these ideas to modernize the Mac | Ars Technica
Used Apple Macbook 13-Inch Notebook (2GB RAM, 160GB HDD, Intel Core 2 Duo 2.0GHz) - Walmart.com
13-inch MacBook Late 2008 Memory Installation Video - YouTube
OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com