This week, GreatCall announced the nationwide availability of its mobile personal emergency response system (mPERS), called 5Star. GreatCall subscribers who use a Jitterbug J phone can add the 24/7 emergency service to their rate plan for an additional $14.99 per month. GreatCall acquired mPERS startup MobiWatch in November 2009, the all-stock deal for MobiWatch was valued at around $100,000, ...
