incrediBILL - 6:53 pm on Feb 4, 2013 (gmt 0)
Webmasters are panicking, removing all and sundry links, most of which probably are not an issue.
Only webmasters that got caught with their hand in the paid link cookie jar or some other linking scheme are panicking. Many webmasters that never played games with questionable link schemes will probably never use the disavow tool.
I've yet to use it and have no intention to do so unless I see links coming from some really bad neighborhoods via the actions of scrapers which is highly unlikely due to the high level of prophylactic anti-scraper prevention being used.