Sorry if this has been covered before, but I couldn't find anything by searching...
During the last week, my blog has suddenly received loads and loads of subscribers. I'm getting around 4 or 5 emails a day saying people have subscribed to my posts. Some of the usernames sound distinctly dodgy, too... is this some sort of spam?
I suppose it doesn't really bother me, but is it something I should worry about, or look into further?
The blog I need help with is timgeorgedesign.wordpress.com.