What kind of apps catch the attention of Silicon Valley investors?

Early Snapchat investor Jeremy Liew lays out his criteria. Creating a well-used consumer app is hard. Not only do people download fewer apps than they used to, but big companies like Facebook and Google dominate the world of consumer apps. Also, once an app looks like it might bring competition, Facebook just buys them -- or tries to squash them. But Lightspeed Venture Partners investor Jeremy Liew doesn't buy it. The narrative that smaller apps and startups can't catch fire is a total myth, acc...