Before Boswell
"You never mentioned this."
"What?"
"Not even when I asked you to write a post for my blog."
John waved his phone in Sherlock's face. Sherlock grabbed it, and began typing furiously.
"I've already read it."
"It's stored in your faultless memory?" Sherlock snorted.
"Mary read it as well. And backed it up."
Sherlock threw the phone back to John. "Yes, I had a blog before you arrived. It was very popular, but in the end I decided that my art spoke for itself."
"I see. Mary said all the comments came from sock puppet accounts. What does that mean?"