Can I ping another knowhi user with a new question, that's unrelated to an existing knug, if I don't know their email address?
resonance: 32.1% | from: knowhi

What is your opinion of text search utilities, including Lucene and Xapian?
resonance: 28.5% | from: mjp

What are some good workout and weight loss apps for the iPhone?
resonance: 23.7% | from: robg