1024 bit AVX

The following blog article describes the AVX as having been designed for use with up to registers of 1024 bits.

http://electronicdesign.com/article/digital/intel_s_avx_scales_to_1024_b...

Is this for real ? Where could I find an Intel descriptions about this with some background. The AVX intro document mentions this too but only gives it a mention.

With 1024 bit length registers, how would the memory supply enough data to feed this beast?