250 invent spots? What's the deal?

[Conradin]

Hey I have 250 invent spots, and I've noticed some poeple have them, while others don't. What's with them exactly, I hear people talking about them eery once in a while.

http://i898.photobucket.com/albums/ac186/epilist/79706054.jpg

[xera]

if u joined in the beginning u got them free
new users have 50 inv spots and can pay for more

[Lesrider]

That sucks... I sure could use 250 slots...

[noobmigo]

Dang it. that sucks