"These" - "Those|Such|These"
"Today" - "Presently|Currently|Nowadays"
"the spread" - "the dissemination|the diffusion|the transmission"
I should also watch out for any words that are part of the names "Reddmann Vore Rapidshare Mega" and leave them unchanged. Even if parts of these names have synonyms, the user wants them to stay, so I need to make sure not to replace any of those components. For instance, if "Rapidshare" was a regular word, I might find synonyms, but since it's a proper noun, it's kept as is.