The number of not-recommended users is always going to be less than the number of recommended users when it comes to opinion spam, regardless of the number of businesses that we consider for our experiment.
On Crosswa.lk, users can find and follow their friends, including those from Gmail and Facebook, and peruse the site's popular and recommended users in order to fill out their network of personal app recommenders.
Yahoo closed its email service in China last month and recommended users switch to a service run by Alibaba.
The original warning sent from Twitter in December recommended users take steps to secure their accounts, suggesting using Tor to connect to the service and EFF's guide on using social networks anonymously.
Vigo recommended users defend against the possibility of such attacks by changing the default pin on their voicemail to a long code, or turning off the voicemail service altogether if they aren't using it.
In those early days, I, and many tech bloggers like me, wholeheartedly recommended users install WOT.
