Well, I can communicate with animals... "Wow, impressive. Any weaknesses " They can't understand me.
Those who understand binary and those who don't
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
Because everyone uses the Internet to look up phone numbers or people don't have landlines anymore and cell phone numbers aren't listed in the phone book. Also people use social media to communicate and connect with people.
Sin language
A bat.
Baby reindeer
Candidate: I fall in love easily. Interviewer: What's your weakness? Candidate: Those blue eyes of yours.