Complex sentence: PKN expands through grass-roots adoption within virtual teams and communities, and as a result, the tools in which an enterprise may invest for enterprise KM may not get as much usage as expected--particularly when operational support is weak for those technology solutions.
Split into simpler sentences: PKN expands through grass-roots adoption within virtual teams and communities. As a result, the tools in which an enterprise may invest for enterprise KM may not get as much usage as expected--particularly when operational support is weak for those technology solutions.