Twitter warns that advertiser demand is falling and the stock is crashing (TWTR)

Twitter's stock is crashing, down 10% in after-hours trading, after delivering a revenue forecast that fell well short of Wall Street expectations.
"We're seeing a continuation of the trends discussed last quarter with less overall advertiser demand than expected," Twitter said in its letter to shareholders on Tuesday.
Here are the key numbers:
Q2 revenue: $602 million, up 20% year-over-year, and short of the $607 million expected by analysts.
Q2 EPS (adjusted): $0.13 versus $0.09 expected by an