May be this is the reason, and they want to get the rating up?
Alexa Rank: 11,780,112 Title: online ebooks for self-development and personal growth
Description: fleetdigital.com visitors,
seo, traffic and competition. Website located in United States. Hosted in Houston. Has the following nameservers: ns1.fox.arvixe.com, ns2.fox.arvixe.com. With ip 174.120.44.131. World rank is 11780112.
Visits per day: 96
Daily Ads Revenue: $1.07 Creation Date: 2010-02-13
Domain Age: 1year 132days
Ip: 174.120.44.131