Learn Khmer language privately at learnkhmernow.com
khmer440.com is the perhaps currently best source of information for expats in Cambodia.
dumpsiteministry.org is a wonderful Swiss Charity that is helping the poorest of the poorest living on the Phnom Penh dumpsite.
The most popular classifieds website in Cambodia is bongthom.com
The top newspaper is phnompenhpost.com
Please have a look at the DumpsiteMinistry.org Charity and consider a donation.