Where is the border between propoganda as an advertising and promotional or informational method and as a lying method?

Do we know propaganda techniques used to avoid the truth?

One of the methods that I have seen is using online media, Specially in developing countries where conventional media is under strict laws and moderation but new media is not well known to authorities.

e- propaganda is a new concept that should be well defined , this is a need for people to know how much they can trust online media and web sites,

They should know who is behind a website and what is said between the lines of news and buzzwords in weblogs , and what is kept hidden.

Online media can be used as a tool for infomation exchange, preventing censorship and supporting free speech and at the same time be used as a tool to change an evil to an angel!

So think twice!