Symptoms I'd add: 1) Recency bias 2) Mistaking "Easy to have an interesting debate about" for "interesting". That last one's a fine line, so to clarify, an e

Symptoms I'd add: 1) Recency bias 2) Mistaking "Easy to have an interesting debate about" for "interesting". That last one's a fine line, so to clarify, an example might be "Twitter's impact on X" vs. "Friendfeed's use of MySQL to store schemaless data"