BecausehomeWi-Fispeeds are dependent onhow manypeopleareusing it at onetime, a strongpasswordiskey: Itwillensure thatonlyauthorized people are usingyournetwork.
Using a public Wi-Fi network at Starbucks seems as casual an invitation for information theft as leaving your smartphone on a table unguarded while going to the bathroom is an invitation for the more visceral kind.