I found many of the facts to be repetitive, inaccurate, misspelled, grammatically poor or otherwise lacking. One annoying problem is that if the fact is too large for the space allotted you cannot scroll, it just cuts off. Many of the facts seem to be gleaned from childrens sources and written for children, "Did you know that...". It is very frustrating to be flipping through and find the same fact twice in quick succession but even more frustrating to find two contradicting facts in quick succession. Editing and proof reading are sorely needed. All that being said, its free, a good time waster, and interesting nevertheless, just dont expect it to increase your IQ much.
Todio64 about 10,500+ Cool Facts, v3.3.2