1) where do donations for nonprofit elgg come from

2) what language(s) is used to program elgg?

3) what's the main reasons to use elgg instead of designing a social network

4) why is there nothing on http://community.elgg.org/pg/expages/read/About/ ?

5) what platform does elgg run on?

6) where is the best review site for those platforms?

7) where is the best review site for hosting companies?