after to see these links

http://www.springframework.net/
and
http://forum.springframework.net/

in which technology spring has more acceptation ????

and another simple question,
maybe some friendly member can share this
right now, where spring is used (Companies )???
same case for hibernate and struts
(www.hi5.com could be??? always i see in each url the classic .do)

i am in few days to make the presentation for my thesis, i need these references

thanks so much for advanced