Typical choices discussed for the investment vehicle would be low - cost index funds or a high - yield savings account. (canigetrichonasalary.com)
Typical choices for N are 10 years, a conservative estimate of how long it takes to reach reasonable valuations, 15 years, a conservative extreme to reach bargain valuations, and 20 years, a pessimistic extreme. (early-retirement-planning-insights.com)
In terms of messaging, you get the now typical choice between Samsung's own Messages app and Google's Hangouts app. (techradar.com)