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Earlier this month, Sidecar expanded its mobile ride hailing service to deliver medical marijuana in San Francisco. It's not the only substance the startup wants to bring to your door.

While doing research for a new article on why GPS-based directions consistently seem to lead me astray, I asked a group of people who use and own GPS apps and personal navigation devices (PNDs) for products they recommend, as well as insight into the current state of GPS technology. Here are some of their likes, dislikes and other general observations about the market.

Car-hailing app Sidecar is trying to make further inroads into same-day deliveries.

The tech industry's most influential companies spent record amounts of money on federal lobbying in 2014 despite a general drop in lobbying by most tech companies. The spending was often directed at areas away from the central business of technology, and it indicates how diverse and powerful major tech companies are becoming.