Having examples just executable from the website is invaluable, especially to excite more people. For fun:

Relatedness of Sentences (beta)

1 - not related at all

5 - an almost perfect paraphrase

Two men are taking a break from a trip on a snowy road

Two men are taking a break from a trip on a road covered by snow 4.05

Two men are taking a break from a trip on a road covered by rocks 4.13

Two men are taking a break from a trip on a road covered by mushrooms 4.23

Two men are taking a break from a trip on a road covered by hobbits 4.27

Plenty of work ahead :)