Bob Meisterling ultimately aims to create an online platform for recreational athletes where they can create an identity and associate with friends, teams and leagues. But Meisterling has wisely elected to start with a narrow focus that he can build on — if it’s successful. The self-described “average skilled, above average passionate bowler” who is in his 10th year of league is starting with an effort to make finding a substitute for league bowling as easy as going to...