Pell says that Powerset's understanding of language means his search engine can actually reward users' full-sentence queries with more relevant, meaningful results than they get from the big search engines now.

FORBES: Magazine Article

My understanding is that Jeffrey still feels quite a deep sense of resentment about various matters, such as the length of the sentence and maybe the result of his trial - that's why he appealed, unsuccessfully, against both sentence and conviction.

BBC: Breakfast with Frost